#151A2F#151A2F

#151A2F is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.4% C 0.042 H 272.5°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#151A2F
RGB	rgb(21, 26, 47)
HSL	hsl(228, 38%, 13%)
HSV	hsv(228, 55%, 18%)
CMYK	cmyk(55.3%, 44.7%, 0%, 81.6%)
CIE-LAB	lab(9.82, 4.84, -14.78)
CIE-LCH	lch(9.82, 15.55, 288.13°)
OKLab	oklab(22.44% 0.0018 -0.0416)
OKLCH	oklch(22.44% 0.042 272.5)
XYZ	xyz(1.1916, 1.1034, 2.8390)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A2F #2F2A15

analogous

#15272F #151A2F #1D152F

triadic

#151A2F #2F151A #1A2F15

tetradic

#151A2F #2F1527 #2F2A15 #152F1D

square

#151A2F #2F1527 #2F2A15 #152F1D

split-complementary

#151A2F #2F1D15 #272F15

monochromatic

#090C15 #090C15 #151A2F #283159 #3B4984

Accessibility & contrast

On white

17.20

#151A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#151A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A2F

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A2F	#FFFFFF	#000000	##FFFFFF
##151A2F	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C30

Deuteranopia (green-blind)

#101A2F

Tritanopia (blue-blind)

#0C1E22

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #151a2f;
/* rgb */ color: rgb(21, 26, 47);
/* oklch */ color: oklch(22.4% 0.042 272.5);

Tailwind

colors: {
  custom: {
    50: '#545667',
    500: '#151a2f',
    950: '#000000',
  },
}

SCSS

$custom: #151a2f;
$custom-light: #545667;
$custom-dark: #000000;

JSON

{
  "hex": "#151a2f",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 47
  },
  "hsl": {
    "h": 228.462,
    "s": 38.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.22438,
    "c": 0.04167,
    "h": 272.5
  },
  "luminance": 0.01103
}

Semantic roles & 50–950 ramp

primary

#151A2F

secondary

#655D3B

accent

#B85ACE

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#030306

muted

#78787A

Preview Lab

Preview with #151A2F

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

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