#0A031C#0A031C

#0A031C is a very dark, muted violet. Relative luminance 0.002; OKLCH L 13.5% C 0.055 H 293.4°. Best body text is #FFFFFF at 20.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A031C
RGB	rgb(10, 3, 28)
HSL	hsl(257, 81%, 6%)
HSV	hsv(257, 89%, 11%)
CMYK	cmyk(64.3%, 89.3%, 0%, 89%)
CIE-LAB	lab(1.93, 6.73, -12.59)
CIE-LCH	lch(1.93, 14.28, 298.14°)
OKLab	oklab(13.5% 0.022 -0.0508)
OKLCH	oklch(13.5% 0.055 293.4)
XYZ	xyz(0.3673, 0.2135, 1.1202)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 10.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A031C #151C03

analogous

#03081C #0A031C #16031C

triadic

#0A031C #1C0A03 #031C0A

tetradic

#0A031C #1C0308 #151C03 #031C16

square

#0A031C #1C0308 #151C03 #031C16

split-complementary

#0A031C #1C1603 #081C03

monochromatic

#0A031C #0A031C #0A031C #1E0953 #310F8B

Accessibility & contrast

On white

20.14

#0A031C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#0A031C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A031C

20.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A031C	#FFFFFF	#000000	##FFFFFF
##0A031C	1.00	20.14	1.04	20.14
#FFFFFF	20.14	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071D

Deuteranopia (green-blind)

#00071B

Tritanopia (blue-blind)

#05080D

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #0a031c;
/* rgb */ color: rgb(10, 3, 28);
/* oklch */ color: oklch(13.5% 0.055 293.4);

Tailwind

colors: {
  custom: {
    50: '#4b4858',
    500: '#0a031c',
    950: '#000000',
  },
}

SCSS

$custom: #0a031c;
$custom-light: #4b4858;
$custom-dark: #000000;

JSON

{
  "hex": "#0a031c",
  "rgb": {
    "r": 10,
    "g": 3,
    "b": 28
  },
  "hsl": {
    "h": 256.8,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.13498,
    "c": 0.05537,
    "h": 293.4
  },
  "luminance": 0.00213
}

Semantic roles & 50–950 ramp

primary

#0A031C

secondary

#4D601B

accent

#F731C0

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#010003

muted

#777778

Preview Lab

Preview with #0A031C

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

Preview Lab → · Contrast checker → · Palette generator →