#0A142C#0A142C

#0A142C is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.7% C 0.050 H 265.1°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#0A142C
RGB	rgb(10, 20, 44)
HSL	hsl(222, 63%, 11%)
HSV	hsv(222, 77%, 17%)
CMYK	cmyk(77.3%, 54.5%, 0%, 82.7%)
CIE-LAB	lab(6.74, 4.92, -17.50)
CIE-LCH	lch(6.74, 18.18, 285.71°)
OKLab	oklab(19.72% -0.0043 -0.0503)
OKLCH	oklch(19.72% 0.05 265.1)
XYZ	xyz(0.8298, 0.7466, 2.4828)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A142C #2C220A

analogous

#0A252C #0A142C #110A2C

triadic

#0A142C #2C0A14 #142C0A

tetradic

#0A142C #2C0A25 #2C220A #0A2C11

square

#0A142C #2C0A25 #2C220A #0A2C11

split-complementary

#0A142C #2C110A #252C0A

monochromatic

#060B19 #060B19 #0A142C #152B5E #214190

Accessibility & contrast

On white

18.27

#0A142C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A142C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A142C

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A142C	#FFFFFF	#000000	##FFFFFF
##0A142C	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09172D

Deuteranopia (green-blind)

#05132B

Tritanopia (blue-blind)

#00191D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a142c;
/* rgb */ color: rgb(10, 20, 44);
/* oklch */ color: oklch(19.7% 0.050 265.1);

Tailwind

colors: {
  custom: {
    50: '#4d5165',
    500: '#0a142c',
    950: '#000000',
  },
}

SCSS

$custom: #0a142c;
$custom-light: #4d5165;
$custom-dark: #000000;

JSON

{
  "hex": "#0a142c",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 44
  },
  "hsl": {
    "h": 222.353,
    "s": 62.963,
    "l": 10.588
  },
  "oklch": {
    "l": 0.19724,
    "c": 0.05049,
    "h": 265.1
  },
  "luminance": 0.00747
}

Semantic roles & 50–950 ramp

primary

#0A142C

secondary

#695629

accent

#B642E6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #0A142C

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

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