#1b4680

Color #1b4680

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.48 Nearest Tailwind class blue-900 #1c398e · ΔE 5.9

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

Conversions

HEX

#1b4680

RGB

rgb(27, 70, 128)

HSL

hsl(214.5, 65.2%, 30.4%)

HSV / HSB

hsv(214.5, 78.9%, 50.2%)

CMYK

cmyk(78.9%, 45.3%, 0%, 49.8%)

LAB

lab(29.84, 7.27, -37)

LCH

lch(29.84, 37.71, 281.12)

OKLCH

oklch(39.7%, 0.1088, 256.99)

HWB

hwb(214.5, 10.6%, 49.8%)

Harmony colors

Complementary

#80551b

Analogous

#1b7880

#1b4680

#231b80

Triadic

#1b4680

#801b46

#46801b

Split-complementary

#1b4680

#80231b

#78801b

Tetradic

#1b4680

#551b80

#80551b

#46801b

Square

#1b4680

#801b78

#80551b

#1b8023

Shades

Color #1b4680 mixed toward black.

#163a6b

#122f55

#0d2340

#09172b

#040c15

Tints

Color #1b4680 mixed toward white.

#2561b1

#3c7dd6

#6c9ee0

#9dbeea

#cedff5

Tones

Color #1b4680 mixed toward gray.

#234778

#2c486f

#344a67

#3d4b5e

#454c56

Accessibility

Aa White text on this color

9.4:1

Aa Black text on this color

2.23:1

White text reads better on this background (9.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#333375 · ΔE 9.5

Deuteranopia

#302d72 · ΔE 11

Tritanopia

#1f6c69 · ΔE 26.8

Achromatopsia

#464646 · ΔE 20.6

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

Code

CSS

background-color: #1b4680;

Tailwind (arbitrary value)

bg-[#1b4680]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1b4680 (#1b4680) is rgb(27, 70, 128) in RGB.

No, #1b4680 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #1b4680, or check how it holds up for accessibility.

Generate a palette → Check contrast