#0A1940#0A1940

#0A1940 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.077 H 265.0°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#0A1940
RGB	rgb(10, 25, 64)
HSL	hsl(223, 73%, 15%)
HSV	hsv(223, 84%, 25%)
CMYK	cmyk(84.4%, 60.9%, 0%, 74.9%)
CIE-LAB	lab(10.03, 10.31, -26.71)
CIE-LCH	lch(10.03, 28.63, 291.10°)
OKLab	oklab(22.81% -0.0068 -0.0769)
OKLCH	oklch(22.81% 0.077 265)
XYZ	xyz(1.3979, 1.1298, 4.9939)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1940 #40310A

analogous

#0A3440 #0A1940 #160A40

triadic

#0A1940 #400A19 #19400A

tetradic

#0A1940 #400A34 #40310A #0A4016

square

#0A1940 #400A34 #40310A #0A4016

split-complementary

#0A1940 #40160A #34400A

monochromatic

#040A1A #040A1A #0A1940 #122E75 #1B42AA

Accessibility & contrast

On white

17.13

#0A1940 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0A1940 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1940

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1940	#FFFFFF	#000000	##FFFFFF
##0A1940	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011E41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1940;
/* rgb */ color: rgb(10, 25, 64);
/* oklch */ color: oklch(22.8% 0.077 265.0);

Tailwind

colors: {
  custom: {
    50: '#535575',
    500: '#0a1940',
    950: '#000000',
  },
}

SCSS

$custom: #0a1940;
$custom-light: #535575;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1940",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 64
  },
  "hsl": {
    "h": 223.333,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22809,
    "c": 0.07723,
    "h": 265
  },
  "luminance": 0.0113
}

Semantic roles & 50–950 ramp

primary

#0A1940

secondary

#7D6629

accent

#BD38F0

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A1940

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

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