#1a55b2

Color #1a55b2

A vivid, highly saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.78 Nearest Tailwind class sky-800 #00598a · ΔE 7.5

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

Conversions

HEX

#1a55b2

RGB

rgb(26, 85, 178)

HSL

hsl(216.7, 74.5%, 40%)

HSV / HSB

hsv(216.7, 85.4%, 69.8%)

CMYK

cmyk(85.4%, 52.2%, 0%, 30.2%)

LAB

lab(37.72, 17.24, -54.59)

LCH

lch(37.72, 57.25, 287.53)

OKLCH

oklch(46.9%, 0.16, 259.67)

HWB

hwb(216.7, 10.2%, 30.2%)

Harmony colors

Complementary

#b2771a

Analogous

#1aa1b2

#1a55b2

#2b1ab2

Triadic

#1a55b2

#b21a55

#55b21a

Split-complementary

#1a55b2

#b22b1a

#a1b21a

Tetradic

#1a55b2

#771ab2

#b2771a

#55b21a

Square

#1a55b2

#b21aa1

#b2771a

#1ab22b

Shades

Color #1a55b2 mixed toward black.

#164794

#113977

#0d2b59

#091c3b

#040e1e

Tints

Color #1a55b2 mixed toward white.

#216ade

#4d88e5

#7aa6eb

#a6c4f2

#d3e1f8

Tones

Color #1a55b2 mixed toward gray.

#2758a5

#335b99

#405e8c

#4d607f

#596373

Accessibility

Aa White text on this color

7.03:1

Aa Black text on this color

2.99:1

White text reads better on this background (7.03:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3ca2 · ΔE 10.3

Deuteranopia

#39349d · ΔE 12.4

Tritanopia

#209390 · ΔE 35.1

Achromatopsia

#595959 · ΔE 25.1

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

Code

CSS

background-color: #1a55b2;

Tailwind (arbitrary value)

bg-[#1a55b2]

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

#1a55b2 (#1a55b2) is rgb(26, 85, 178) in RGB.

No, #1a55b2 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 #1a55b2, or check how it holds up for accessibility.

Generate a palette → Check contrast