#0A012B#0A012B

#0A012B is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 14.8% C 0.083 H 283.8°. Best body text is #FFFFFF at 19.96:1 contrast (WCAG AA passes).

Color values

HEX	#0A012B
RGB	rgb(10, 1, 43)
HSL	hsl(253, 95%, 9%)
HSV	hsv(253, 98%, 17%)
CMYK	cmyk(76.7%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(2.35, 13.28, -23.68)
CIE-LCH	lch(2.35, 27.15, 299.28°)
OKLab	oklab(14.8% 0.0197 -0.0801)
OKLCH	oklch(14.8% 0.083 283.8)
XYZ	xyz(0.5719, 0.2606, 2.3052)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A012B #222B01

analogous

#010D2B #0A012B #1F012B

triadic

#0A012B #2B0A01 #012B0A

tetradic

#0A012B #2B010D #222B01 #012B1F

square

#0A012B #2B010D #222B01 #012B1F

split-complementary

#0A012B #2B1F01 #0D2B01

monochromatic

#07011E #07011E #0A012B #180267 #2604A3

Accessibility & contrast

On white

19.96

#0A012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#0A012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A012B

19.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A012B	#FFFFFF	#000000	##FFFFFF
##0A012B	1.00	19.96	1.05	19.96
#FFFFFF	19.96	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A2C

Deuteranopia (green-blind)

#00072A

Tritanopia (blue-blind)

#000C15

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #0a012b;
/* rgb */ color: rgb(10, 1, 43);
/* oklch */ color: oklch(14.8% 0.083 283.8);

Tailwind

colors: {
  custom: {
    50: '#4c4764',
    500: '#0a012b',
    950: '#000000',
  },
}

SCSS

$custom: #0a012b;
$custom-light: #4c4764;
$custom-dark: #000000;

JSON

{
  "hex": "#0a012b",
  "rgb": {
    "r": 10,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 252.857,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.14798,
    "c": 0.08253,
    "h": 283.8
  },
  "luminance": 0.00261
}

Semantic roles & 50–950 ramp

primary

#0A012B

secondary

#5E7117

accent

#FF29D1

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010005

muted

#77777A

Preview Lab

Preview with #0A012B

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

Preview Lab → · Contrast checker → · Palette generator →