#1a58bb

Color #1a58bb

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 13.8 Nearest Tailwind class sky-800 #00598a · ΔE 8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#1a58bb

RGB

rgb(26, 88, 187)

HSL

hsl(216.9, 75.6%, 41.8%)

HSV / HSB

hsv(216.9, 86.1%, 73.3%)

CMYK

cmyk(86.1%, 52.9%, 0%, 26.7%)

LAB

lab(39.22, 18.83, -57.44)

LCH

lch(39.22, 60.45, 288.15)

OKLCH

oklch(48.2%, 0.1683, 259.87)

HWB

hwb(216.9, 10.2%, 26.7%)

Harmony colors

Complementary

#bb7d1a

Analogous

#1aa9bb

#1a58bb

#2d1abb

Triadic

#1a58bb

#bb1a58

#58bb1a

Split-complementary

#1a58bb

#bb2d1a

#a9bb1a

Tetradic

#1a58bb

#7d1abb

#bb7d1a

#58bb1a

Square

#1a58bb

#bb1aa9

#bb7d1a

#1abb2d

Shades

Color #1a58bb mixed toward black.

#16499c

#113b7d

#0d2c5e

#091d3e

#040f1f

Tints

Color #1a58bb mixed toward white.

#266ee1

#518be7

#7da8ed

#a8c5f3

#d4e2f9

Tones

Color #1a58bb mixed toward gray.

#275bae

#355ea0

#426193

#506485

#5d6878

Accessibility

Aa White text on this color

6.65:1

Aa Black text on this color

3.16:1

White text reads better on this background (6.65:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3e3eaa · ΔE 10.5

Deuteranopia

#3b36a5 · ΔE 12.6

Tritanopia

#209a97 · ΔE 36.4

Achromatopsia

#5c5c5c · ΔE 25.7

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #1a58bb;

Tailwind (arbitrary value)

bg-[#1a58bb]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1a58bb (#1a58bb) is rgb(26, 88, 187) in RGB.

No, #1a58bb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #1a58bb, or check how it holds up for accessibility.

Generate a palette → Check contrast