#0A022B#0A022B

#0A022B is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 15.1% C 0.080 H 283.1°. Best body text is #FFFFFF at 19.88:1 contrast (WCAG AA passes).

Color values

HEX	#0A022B
RGB	rgb(10, 2, 43)
HSL	hsl(252, 91%, 9%)
HSV	hsv(252, 95%, 17%)
CMYK	cmyk(76.7%, 95.3%, 0%, 83.1%)
CIE-LAB	lab(2.55, 12.88, -23.37)
CIE-LCH	lch(2.55, 26.69, 298.86°)
OKLab	oklab(15.09% 0.0182 -0.0781)
OKLCH	oklch(15.09% 0.08 283.1)
XYZ	xyz(0.5828, 0.2823, 2.3088)
Luminance	0.0028 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A022B #232B02

analogous

#020F2B #0A022B #1F022B

triadic

#0A022B #2B0A02 #022B0A

tetradic

#0A022B #2B020F #232B02 #022B1F

square

#0A022B #2B020F #232B02 #022B1F

split-complementary

#0A022B #2B1F02 #0F2B02

monochromatic

#07011D #07011D #0A022B #180565 #2507A0

Accessibility & contrast

On white

19.88

#0A022B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#0A022B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A022B

19.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A022B	#FFFFFF	#000000	##FFFFFF
##0A022B	1.00	19.88	1.06	19.88
#FFFFFF	19.88	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2C

Deuteranopia (green-blind)

#00082A

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #0a022b;
/* rgb */ color: rgb(10, 2, 43);
/* oklch */ color: oklch(15.1% 0.080 283.1);

Tailwind

colors: {
  custom: {
    50: '#4c4764',
    500: '#0a022b',
    950: '#000000',
  },
}

SCSS

$custom: #0a022b;
$custom-light: #4c4764;
$custom-dark: #000000;

JSON

{
  "hex": "#0a022b",
  "rgb": {
    "r": 10,
    "g": 2,
    "b": 43
  },
  "hsl": {
    "h": 251.707,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.15091,
    "c": 0.08021,
    "h": 283.1
  },
  "luminance": 0.00282
}

Semantic roles & 50–950 ramp

primary

#0A022B

secondary

#5F7019

accent

#FF29D5

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #0A022B

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

Preview Lab → · Contrast checker → · Palette generator →