#15508b

Color #15508b

A vivid, highly saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 21.57 Nearest Tailwind class sky-800 #00598a · ΔE 4.8

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Conversions

HEX

#15508b

RGB

rgb(21, 80, 139)

HSL

hsl(210, 73.8%, 31.4%)

HSV / HSB

hsv(210, 84.9%, 54.5%)

CMYK

cmyk(84.9%, 42.4%, 0%, 45.5%)

LAB

lab(33.48, 4.35, -37.98)

LCH

lch(33.48, 38.23, 276.53)

OKLCH

oklch(42.7%, 0.114, 252.49)

HWB

hwb(210, 8.2%, 45.5%)

Harmony colors

Complementary

#8b5015

Analogous

#158b8b

#15508b

#15158b

Triadic

#15508b

#8b1550

#508b15

Split-complementary

#15508b

#8b1515

#8b8b15

Tetradic

#15508b

#50158b

#8b5015

#508b15

Square

#15508b

#8b158b

#8b5015

#158b15

Shades

Color #15508b mixed toward black.

#114374

#0e355d

#0a2846

#071b2e

#030d17

Tints

Color #15508b mixed toward white.

#1d6dbe

#348ae0

#67a8e8

#9ac5f0

#cce2f7

Tones

Color #15508b mixed toward gray.

#1f5081

#295077

#33506e

#3c5064

#46505a

Accessibility

Aa White text on this color

8.23:1

Aa Black text on this color

2.55:1

White text reads better on this background (8.23:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383880 · ΔE 12.1

Deuteranopia

#34307d · ΔE 14

Tritanopia

#1b7674 · ΔE 26.3

Achromatopsia

#4f4f4f · ΔE 20.6

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

Code

CSS

background-color: #15508b;

Tailwind (arbitrary value)

bg-[#15508b]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#15508b (#15508b) is rgb(21, 80, 139) in RGB.

No, #15508b 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 #15508b, or check how it holds up for accessibility.

Generate a palette → Check contrast