#0A0333#0A0333

#0A0333 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.089 H 278.7°. Best body text is #FFFFFF at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#0A0333
RGB	rgb(10, 3, 51)
HSL	hsl(249, 89%, 11%)
HSV	hsv(249, 94%, 20%)
CMYK	cmyk(80.4%, 94.1%, 0%, 80%)
CIE-LAB	lab(3.33, 16.58, -28.15)
CIE-LCH	lch(3.33, 32.67, 300.50°)
OKLab	oklab(16.47% 0.0135 -0.0883)
OKLCH	oklch(16.47% 0.089 278.7)
XYZ	xyz(0.7551, 0.3686, 3.1627)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0333 #2C3303

analogous

#031433 #0A0333 #220333

triadic

#0A0333 #330A03 #03330A

tetradic

#0A0333 #330314 #2C3303 #033322

square

#0A0333 #330314 #2C3303 #033322

split-complementary

#0A0333 #332203 #143303

monochromatic

#06021D #06021D #0A0333 #15066D #210AA7

Accessibility & contrast

On white

19.56

#0A0333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0A0333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0333

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0333	#FFFFFF	#000000	##FFFFFF
##0A0333	1.00	19.56	1.07	19.56
#FFFFFF	19.56	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E34

Deuteranopia (green-blind)

#000A32

Tritanopia (blue-blind)

#00111B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0a0333;
/* rgb */ color: rgb(10, 3, 51);
/* oklch */ color: oklch(16.5% 0.089 278.7);

Tailwind

colors: {
  custom: {
    50: '#4e476b',
    500: '#0a0333',
    950: '#000000',
  },
}

SCSS

$custom: #0a0333;
$custom-light: #4e476b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0333",
  "rgb": {
    "r": 10,
    "g": 3,
    "b": 51
  },
  "hsl": {
    "h": 248.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.16469,
    "c": 0.08935,
    "h": 278.7
  },
  "luminance": 0.00369
}

Semantic roles & 50–950 ramp

primary

#0A0333

secondary

#69761C

accent

#FF29E0

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0333

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

Preview Lab → · Contrast checker → · Palette generator →