#15238b

Color #15238b

A vivid, highly saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 10.71 Nearest Tailwind class indigo-900 #312c85 · ΔE 3.7

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Conversions

HEX

#15238b

RGB

rgb(21, 35, 139)

HSL

hsl(232.9, 73.8%, 31.4%)

HSV / HSB

hsv(232.9, 84.9%, 54.5%)

CMYK

cmyk(84.9%, 74.8%, 0%, 45.5%)

LAB

lab(20.92, 35.05, -58.4)

LCH

lch(20.92, 68.11, 300.97)

OKLCH

oklch(33.3%, 0.1694, 268.04)

HWB

hwb(232.9, 8.2%, 45.5%)

Harmony colors

Complementary

#8b7d15

Analogous

#155e8b

#15238b

#42158b

Triadic

#15238b

#8b1523

#238b15

Split-complementary

#15238b

#8b4215

#5e8b15

Tetradic

#15238b

#7d158b

#8b7d15

#238b15

Square

#15238b

#8b155e

#8b7d15

#158b42

Shades

Color #15238b mixed toward black.

#111d74

#0e175d

#0a1146

#070c2e

#030617

Tints

Color #15238b mixed toward white.

#1d30be

#3449e0

#6776e8

#9aa4f0

#ccd1f7

Tones

Color #15238b mixed toward gray.

#1f2a81

#293277

#333a6e

#3c4164

#46495a

Accessibility

Aa White text on this color

12.77:1

Aa Black text on this color

1.65:1

White text reads better on this background (12.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c7b · ΔE 2.9

Deuteranopia

#1b1a77 · ΔE 3.6

Tritanopia

#166d6a · ΔE 36.3

Achromatopsia

#323232 · ΔE 27

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

Code

CSS

background-color: #15238b;

Tailwind (arbitrary value)

bg-[#15238b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#15238b (#15238b) is rgb(21, 35, 139) in RGB.

No, #15238b 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 #15238b, or check how it holds up for accessibility.

Generate a palette → Check contrast