#0A0023#0A0023

#0A0023 is a very dark, moderate violet. Relative luminance 0.002; OKLCH L 13.3% C 0.075 H 290.6°. Best body text is #FFFFFF at 20.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A0023
RGB	rgb(10, 0, 35)
HSL	hsl(257, 100%, 7%)
HSV	hsv(257, 100%, 14%)
CMYK	cmyk(71.4%, 100%, 0%, 86.3%)
CIE-LAB	lab(1.68, 10.31, -18.54)
CIE-LCH	lch(1.68, 21.21, 299.09°)
OKLab	oklab(13.31% 0.0264 -0.0702)
OKLCH	oklch(13.31% 0.075 290.6)
XYZ	xyz(0.4285, 0.1859, 1.6031)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0023 #192300

analogous

#000823 #0A0023 #1C0023

triadic

#0A0023 #230A00 #00230A

tetradic

#0A0023 #230008 #192300 #00231C

square

#0A0023 #230008 #192300 #00231C

split-complementary

#0A0023 #231C00 #082300

monochromatic

#09001F #09001F #0A0023 #1B0060 #2D009D

Accessibility & contrast

On white

20.25

#0A0023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#0A0023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0023

20.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0023	#FFFFFF	#000000	##FFFFFF
##0A0023	1.00	20.25	1.04	20.25
#FFFFFF	20.25	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000724

Deuteranopia (green-blind)

#000522

Tritanopia (blue-blind)

#030710

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #0a0023;
/* rgb */ color: rgb(10, 0, 35);
/* oklch */ color: oklch(13.3% 0.075 290.6);

Tailwind

colors: {
  custom: {
    50: '#4b475e',
    500: '#0a0023',
    950: '#000000',
  },
}

SCSS

$custom: #0a0023;
$custom-light: #4b475e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0023",
  "rgb": {
    "r": 10,
    "g": 0,
    "b": 35
  },
  "hsl": {
    "h": 257.143,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.13308,
    "c": 0.07503,
    "h": 290.6
  },
  "luminance": 0.00186
}

Semantic roles & 50–950 ramp

primary

#0A0023

secondary

#526C13

accent

#FF29C2

background

#F4F3F5

surface

#E7E5E9

border

#C3C1C5

text

#010004

muted

#777779

Preview Lab

Preview with #0A0023

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

Preview Lab → · Contrast checker → · Palette generator →