#151D43#151D43

#151D43 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.072 H 271.3°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#151D43
RGB	rgb(21, 29, 67)
HSL	hsl(230, 52%, 17%)
HSV	hsv(230, 69%, 26%)
CMYK	cmyk(68.7%, 56.7%, 0%, 73.7%)
CIE-LAB	lab(12.24, 10.58, -25.21)
CIE-LCH	lch(12.24, 27.34, 292.76°)
OKLab	oklab(24.74% 0.0016 -0.0722)
OKLCH	oklch(24.74% 0.072 271.3)
XYZ	xyz(1.7614, 1.4433, 5.4949)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D43 #433B15

analogous

#153443 #151D43 #241543

triadic

#151D43 #43151D #1D4315

tetradic

#151D43 #431534 #433B15 #154324

square

#151D43 #431534 #433B15 #154324

split-complementary

#151D43 #432415 #344315

monochromatic

#070A17 #070A17 #151D43 #243172 #3245A0

Accessibility & contrast

On white

16.30

#151D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D43

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D43	#FFFFFF	#000000	##FFFFFF
##151D43	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082244

Deuteranopia (green-blind)

#021E42

Tritanopia (blue-blind)

#00262C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151d43;
/* rgb */ color: rgb(21, 29, 67);
/* oklch */ color: oklch(24.7% 0.072 271.3);

Tailwind

colors: {
  custom: {
    50: '#585877',
    500: '#151d43',
    950: '#000000',
  },
}

SCSS

$custom: #151d43;
$custom-light: #585877;
$custom-dark: #000000;

JSON

{
  "hex": "#151d43",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 67
  },
  "hsl": {
    "h": 229.565,
    "s": 52.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24744,
    "c": 0.0722,
    "h": 271.3
  },
  "luminance": 0.01443
}

Semantic roles & 50–950 ramp

primary

#151D43

secondary

#7B6F39

accent

#C34CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #151D43

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →