#151b34

Color #151b34

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 21.16 Nearest Tailwind class slate-900 #0f172b · ΔE 2.9

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Conversions

HEX

#151b34

RGB

rgb(21, 27, 52)

HSL

hsl(228.4, 42.5%, 14.3%)

HSV / HSB

hsv(228.4, 59.6%, 20.4%)

CMYK

cmyk(59.6%, 48.1%, 0%, 79.6%)

LAB

lab(10.49, 6.02, -17.36)

LCH

lch(10.49, 18.37, 289.13)

OKLCH

oklch(23.1%, 0.0491, 271.87)

HWB

hwb(228.4, 8.2%, 79.6%)

Harmony colors

Complementary

#342e15

Analogous

#152a34

#151b34

#1e1534

Triadic

#151b34

#34151b

#1b3415

Split-complementary

#151b34

#341e15

#2a3415

Tetradic

#151b34

#2e1534

#342e15

#1b3415

Square

#151b34

#34152a

#342e15

#15341e

Shades

Color #151b34 mixed toward black.

#11162b

#0e1223

#0a0d1a

#070911

#030409

Tints

Color #151b34 mixed toward white.

#2a3668

#3f519c

#6375c0

#97a3d5

#cbd1ea

Tones

Color #151b34 mixed toward gray.

#181d31

#1a1e2f

#1d202c

#1f212a

#222327

Accessibility

Aa White text on this color

16.96:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#18182f · ΔE 2.5

Deuteranopia

#17172e · ΔE 2.6

Tritanopia

#152b2a · ΔE 19.3

Achromatopsia

#1c1c1c · ΔE 13.6

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

Code

CSS

background-color: #151b34;

Tailwind (arbitrary value)

bg-[#151b34]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#151b34 (#151b34) is rgb(21, 27, 52) in RGB.

No, #151b34 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 #151b34, or check how it holds up for accessibility.

Generate a palette → Check contrast