#0A0336#0A0336

#0A0336 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.093 H 277.6°. Best body text is #FFFFFF at 19.46:1 contrast (WCAG AA passes).

Color values

HEX	#0A0336
RGB	rgb(10, 3, 54)
HSL	hsl(248, 89%, 11%)
HSV	hsv(248, 94%, 21%)
CMYK	cmyk(81.5%, 94.4%, 0%, 78.8%)
CIE-LAB	lab(3.58, 18.32, -29.97)
CIE-LCH	lch(3.58, 35.13, 301.43°)
OKLab	oklab(16.89% 0.0123 -0.0927)
OKLCH	oklch(16.89% 0.094 277.6)
XYZ	xyz(0.8234, 0.3959, 3.5223)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0336 #2F3603

analogous

#031536 #0A0336 #230336

triadic

#0A0336 #360A03 #03360A

tetradic

#0A0336 #360315 #2F3603 #033623

square

#0A0336 #360315 #2F3603 #033623

split-complementary

#0A0336 #362303 #153603

monochromatic

#05021D #05021D #0A0336 #150670 #1F09AA

Accessibility & contrast

On white

19.46

#0A0336 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0A0336 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0336

19.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0336	#FFFFFF	#000000	##FFFFFF
##0A0336	1.00	19.46	1.08	19.46
#FFFFFF	19.46	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F37

Deuteranopia (green-blind)

#000B35

Tritanopia (blue-blind)

#00121C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0a0336;
/* rgb */ color: rgb(10, 3, 54);
/* oklch */ color: oklch(16.9% 0.093 277.6);

Tailwind

colors: {
  custom: {
    50: '#4f476e',
    500: '#0a0336',
    950: '#000000',
  },
}

SCSS

$custom: #0a0336;
$custom-light: #4f476e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0336",
  "rgb": {
    "r": 10,
    "g": 3,
    "b": 54
  },
  "hsl": {
    "h": 248.235,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.16891,
    "c": 0.0935,
    "h": 277.6
  },
  "luminance": 0.00396
}

Semantic roles & 50–950 ramp

primary

#0A0336

secondary

#6C791C

accent

#FF29E2

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0336

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

Preview Lab → · Contrast checker → · Palette generator →