#0A0334#0A0334

#0A0334 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.6% C 0.091 H 278.3°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#0A0334
RGB	rgb(10, 3, 52)
HSL	hsl(249, 89%, 11%)
HSV	hsv(249, 94%, 20%)
CMYK	cmyk(80.8%, 94.2%, 0%, 79.6%)
CIE-LAB	lab(3.41, 17.15, -28.76)
CIE-LCH	lch(3.41, 33.49, 300.80°)
OKLab	oklab(16.61% 0.0131 -0.0898)
OKLCH	oklch(16.61% 0.091 278.3)
XYZ	xyz(0.7774, 0.3775, 3.2800)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0334 #2D3403

analogous

#031434 #0A0334 #220334

triadic

#0A0334 #340A03 #03340A

tetradic

#0A0334 #340314 #2D3403 #033422

square

#0A0334 #340314 #2D3403 #033422

split-complementary

#0A0334 #342203 #143403

monochromatic

#06021D #06021D #0A0334 #15066E #200AA8

Accessibility & contrast

On white

19.52

#0A0334 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0A0334 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0334

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0334	#FFFFFF	#000000	##FFFFFF
##0A0334	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E35

Deuteranopia (green-blind)

#000A33

Tritanopia (blue-blind)

#00111B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0a0334;
/* rgb */ color: rgb(10, 3, 52);
/* oklch */ color: oklch(16.6% 0.091 278.3);

Tailwind

colors: {
  custom: {
    50: '#4f476c',
    500: '#0a0334',
    950: '#000000',
  },
}

SCSS

$custom: #0a0334;
$custom-light: #4f476c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0334",
  "rgb": {
    "r": 10,
    "g": 3,
    "b": 52
  },
  "hsl": {
    "h": 248.571,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.16609,
    "c": 0.09074,
    "h": 278.3
  },
  "luminance": 0.00378
}

Semantic roles & 50–950 ramp

primary

#0A0334

secondary

#6A771C

accent

#FF29E0

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0334

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

Preview Lab → · Contrast checker → · Palette generator →