#151F23#151F23

#151F23 is a very dark, near-neutral cyan. Relative luminance 0.013; OKLCH L 23.1% C 0.016 H 224.5°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#151F23
RGB	rgb(21, 31, 35)
HSL	hsl(197, 25%, 11%)
HSV	hsv(197, 40%, 14%)
CMYK	cmyk(40%, 11.4%, 0%, 86.3%)
CIE-LAB	lab(11.00, -3.19, -4.16)
CIE-LCH	lch(11.00, 5.24, 232.58°)
OKLab	oklab(23.15% -0.0116 -0.0114)
OKLCH	oklch(23.15% 0.016 224.5)
XYZ	xyz(1.1025, 1.2607, 1.7750)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F23 #231915

analogous

#152320 #151F23 #151823

triadic

#151F23 #23151F #1F2315

tetradic

#151F23 #201523 #231915 #182315

square

#151F23 #201523 #231915 #182315

split-complementary

#151F23 #231518 #232015

monochromatic

#0B1113 #0B1113 #151F23 #2C4149 #43636F

Accessibility & contrast

On white

16.77

#151F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F23

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F23	#FFFFFF	#000000	##FFFFFF
##151F23	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1E23

Deuteranopia (green-blind)

#1B1D23

Tritanopia (blue-blind)

#102020

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151f23;
/* rgb */ color: rgb(21, 31, 35);
/* oklch */ color: oklch(23.1% 0.016 224.5);

Tailwind

colors: {
  custom: {
    50: '#525a5d',
    500: '#151f23',
    950: '#000000',
  },
}

SCSS

$custom: #151f23;
$custom-light: #525a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#151f23",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 197.143,
    "s": 25,
    "l": 10.98
  },
  "oklch": {
    "l": 0.23149,
    "c": 0.01625,
    "h": 224.5
  },
  "luminance": 0.01261
}

Semantic roles & 50–950 ramp

primary

#151F23

secondary

#57443D

accent

#8066C1

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020304

muted

#787879

Preview Lab

Preview with #151F23

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

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