#0A0231#0A0231

#0A0231 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 15.9% C 0.088 H 280.1°. Best body text is #FFFFFF at 19.70:1 contrast (WCAG AA passes).

Color values

HEX	#0A0231
RGB	rgb(10, 2, 49)
HSL	hsl(250, 92%, 10%)
HSV	hsv(250, 96%, 19%)
CMYK	cmyk(79.6%, 95.9%, 0%, 80.8%)
CIE-LAB	lab(2.98, 15.89, -27.23)
CIE-LCH	lch(2.98, 31.52, 300.26°)
OKLab	oklab(15.94% 0.0154 -0.0871)
OKLCH	oklch(15.94% 0.088 280.1)
XYZ	xyz(0.7011, 0.3296, 2.9318)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0231 #293102

analogous

#021131 #0A0231 #220231

triadic

#0A0231 #310A02 #02310A

tetradic

#0A0231 #310211 #293102 #023122

square

#0A0231 #310211 #293102 #023122

split-complementary

#0A0231 #312202 #113102

monochromatic

#06011D #06011D #0A0231 #16046C #2207A7

Accessibility & contrast

On white

19.70

#0A0231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0A0231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0231

19.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0231	#FFFFFF	#000000	##FFFFFF
##0A0231	1.00	19.70	1.07	19.70
#FFFFFF	19.70	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D32

Deuteranopia (green-blind)

#000930

Tritanopia (blue-blind)

#000F19

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #0a0231;
/* rgb */ color: rgb(10, 2, 49);
/* oklch */ color: oklch(15.9% 0.088 280.1);

Tailwind

colors: {
  custom: {
    50: '#4e4769',
    500: '#0a0231',
    950: '#000000',
  },
}

SCSS

$custom: #0a0231;
$custom-light: #4e4769;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0231",
  "rgb": {
    "r": 10,
    "g": 2,
    "b": 49
  },
  "hsl": {
    "h": 250.213,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.15937,
    "c": 0.08846,
    "h": 280.1
  },
  "luminance": 0.0033
}

Semantic roles & 50–950 ramp

primary

#0A0231

secondary

#667519

accent

#FF29DB

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0A0231

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

Preview Lab → · Contrast checker → · Palette generator →