#151D28#151D28

#151D28 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.8% C 0.025 H 256.5°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#151D28
RGB	rgb(21, 29, 40)
HSL	hsl(215, 31%, 12%)
HSV	hsv(215, 48%, 16%)
CMYK	cmyk(47.5%, 27.5%, 0%, 84.3%)
CIE-LAB	lab(10.49, -0.03, -8.61)
CIE-LCH	lch(10.49, 8.61, 269.82°)
OKLab	oklab(22.83% -0.0057 -0.0238)
OKLCH	oklch(22.83% 0.025 256.5)
XYZ	xyz(1.1315, 1.1913, 2.1774)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D28 #282015

analogous

#152728 #151D28 #171528

triadic

#151D28 #28151D #1D2815

tetradic

#151D28 #281527 #282015 #152817

square

#151D28 #281527 #282015 #152817

split-complementary

#151D28 #281715 #272815

monochromatic

#0B0F14 #0B0F14 #151D28 #2A3A50 #3F5778

Accessibility & contrast

On white

16.96

#151D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#151D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D28

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D28	#FFFFFF	#000000	##FFFFFF
##151D28	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191D29

Deuteranopia (green-blind)

#171C28

Tritanopia (blue-blind)

#0F1F21

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #151d28;
/* rgb */ color: rgb(21, 29, 40);
/* oklch */ color: oklch(22.8% 0.025 256.5);

Tailwind

colors: {
  custom: {
    50: '#535861',
    500: '#151d28',
    950: '#000000',
  },
}

SCSS

$custom: #151d28;
$custom-light: #535861;
$custom-dark: #000000;

JSON

{
  "hex": "#151d28",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 214.737,
    "s": 31.148,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22828,
    "c": 0.02452,
    "h": 256.5
  },
  "luminance": 0.01191
}

Semantic roles & 50–950 ramp

primary

#151D28

secondary

#5D4F3C

accent

#9C60C7

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #151D28

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

Preview Lab → · Contrast checker → · Palette generator →