#151D2F#151D2F

#151D2F is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.3% C 0.037 H 265.3°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#151D2F
RGB	rgb(21, 29, 47)
HSL	hsl(222, 38%, 13%)
HSV	hsv(222, 55%, 18%)
CMYK	cmyk(55.3%, 38.3%, 0%, 81.6%)
CIE-LAB	lab(10.87, 2.55, -13.13)
CIE-LCH	lch(10.87, 13.38, 281.00°)
OKLab	oklab(23.25% -0.003 -0.0368)
OKLCH	oklch(23.25% 0.037 265.3)
XYZ	xyz(1.2616, 1.2433, 2.8623)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D2F #2F2715

analogous

#152A2F #151D2F #1A152F

triadic

#151D2F #2F151D #1D2F15

tetradic

#151D2F #2F152A #2F2715 #152F1A

square

#151D2F #2F152A #2F2715 #152F1A

split-complementary

#151D2F #2F1A15 #2A2F15

monochromatic

#090D15 #090D15 #151D2F #283759 #3B5184

Accessibility & contrast

On white

16.82

#151D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D2F

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D2F	#FFFFFF	#000000	##FFFFFF
##151D2F	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161E30

Deuteranopia (green-blind)

#141C2F

Tritanopia (blue-blind)

#0B2123

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151d2f;
/* rgb */ color: rgb(21, 29, 47);
/* oklch */ color: oklch(23.3% 0.037 265.3);

Tailwind

colors: {
  custom: {
    50: '#545867',
    500: '#151d2f',
    950: '#000000',
  },
}

SCSS

$custom: #151d2f;
$custom-light: #545867;
$custom-dark: #000000;

JSON

{
  "hex": "#151d2f",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 47
  },
  "hsl": {
    "h": 221.538,
    "s": 38.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.2325,
    "c": 0.03695,
    "h": 265.3
  },
  "luminance": 0.01243
}

Semantic roles & 50–950 ramp

primary

#151D2F

secondary

#65583B

accent

#AA5ACE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #151D2F

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

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