#0A083F#0A083F

#0A083F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.099 H 273.5°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A083F
RGB	rgb(10, 8, 63)
HSL	hsl(242, 77%, 14%)
HSV	hsv(242, 87%, 25%)
CMYK	cmyk(84.1%, 87.3%, 0%, 75.3%)
CIE-LAB	lab(5.39, 21.19, -33.56)
CIE-LCH	lch(5.39, 39.69, 302.27°)
OKLab	oklab(19.12% 0.006 -0.0988)
OKLCH	oklch(19.12% 0.099 273.5)
XYZ	xyz(1.1089, 0.5970, 4.7584)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A083F #3D3F08

analogous

#08223F #0A083F #26083F

triadic

#0A083F #3F0A08 #083F0A

tetradic

#0A083F #3F0822 #3D3F08 #083F26

square

#0A083F #3F0822 #3D3F08 #083F26

split-complementary

#0A083F #3F2608 #223F08

monochromatic

#04031B #04031B #0A083F #130F75 #1B16AC

Accessibility & contrast

On white

18.76

#0A083F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A083F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A083F

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A083F	#FFFFFF	#000000	##FFFFFF
##0A083F	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001441

Deuteranopia (green-blind)

#000F3E

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a083f;
/* rgb */ color: rgb(10, 8, 63);
/* oklch */ color: oklch(19.1% 0.099 273.5);

Tailwind

colors: {
  custom: {
    50: '#534975',
    500: '#0a083f',
    950: '#000000',
  },
}

SCSS

$custom: #0a083f;
$custom-light: #534975;
$custom-dark: #000000;

JSON

{
  "hex": "#0a083f",
  "rgb": {
    "r": 10,
    "g": 8,
    "b": 63
  },
  "hsl": {
    "h": 242.182,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.19122,
    "c": 0.09903,
    "h": 273.5
  },
  "luminance": 0.00597
}

Semantic roles & 50–950 ramp

primary

#0A083F

secondary

#7A7E25

accent

#F434ED

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A083F

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

Preview Lab → · Contrast checker → · Palette generator →