#0A152D#0A152D

#0A152D is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.1% C 0.051 H 263.9°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#0A152D
RGB	rgb(10, 21, 45)
HSL	hsl(221, 64%, 11%)
HSV	hsv(221, 78%, 18%)
CMYK	cmyk(77.8%, 53.3%, 0%, 82.4%)
CIE-LAB	lab(7.14, 4.73, -17.62)
CIE-LCH	lch(7.14, 18.24, 285.03°)
OKLab	oklab(20.08% -0.0054 -0.0504)
OKLCH	oklch(20.08% 0.051 263.9)
XYZ	xyz(0.8668, 0.7902, 2.5890)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A152D #2D220A

analogous

#0A262D #0A152D #100A2D

triadic

#0A152D #2D0A15 #152D0A

tetradic

#0A152D #2D0A26 #2D220A #0A2D10

square

#0A152D #2D0A26 #2D220A #0A2D10

split-complementary

#0A152D #2D100A #262D0A

monochromatic

#060C19 #060C19 #0A152D #152C5F #204491

Accessibility & contrast

On white

18.13

#0A152D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A152D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A152D

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A152D	#FFFFFF	#000000	##FFFFFF
##0A152D	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A172E

Deuteranopia (green-blind)

#05142C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a152d;
/* rgb */ color: rgb(10, 21, 45);
/* oklch */ color: oklch(20.1% 0.051 263.9);

Tailwind

colors: {
  custom: {
    50: '#4d5166',
    500: '#0a152d',
    950: '#000000',
  },
}

SCSS

$custom: #0a152d;
$custom-light: #4d5166;
$custom-dark: #000000;

JSON

{
  "hex": "#0a152d",
  "rgb": {
    "r": 10,
    "g": 21,
    "b": 45
  },
  "hsl": {
    "h": 221.143,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20082,
    "c": 0.05072,
    "h": 263.9
  },
  "luminance": 0.0079
}

Semantic roles & 50–950 ramp

primary

#0A152D

secondary

#6A5629

accent

#B341E7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #0A152D

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

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