#0A203F#0A203F

#0A203F is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.5% C 0.065 H 257.5°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#0A203F
RGB	rgb(10, 32, 63)
HSL	hsl(215, 73%, 14%)
HSV	hsv(215, 84%, 25%)
CMYK	cmyk(84.1%, 49.2%, 0%, 75.3%)
CIE-LAB	lab(12.33, 4.38, -22.31)
CIE-LCH	lch(12.33, 22.73, 281.11°)
OKLab	oklab(24.54% -0.0141 -0.0638)
OKLCH	oklch(24.54% 0.065 257.5)
XYZ	xyz(1.5386, 1.4563, 4.9017)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A203F #3F290A

analogous

#0A3B3F #0A203F #0E0A3F

triadic

#0A203F #3F0A20 #203F0A

tetradic

#0A203F #3F0A3B #3F290A #0A3F0E

square

#0A203F #3F0A3B #3F290A #0A3F0E

split-complementary

#0A203F #3F0E0A #3B3F0A

monochromatic

#040D1A #040D1A #0A203F #123B74 #1B56A9

Accessibility & contrast

On white

16.26

#0A203F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0A203F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A203F

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A203F	#FFFFFF	#000000	##FFFFFF
##0A203F	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112340

Deuteranopia (green-blind)

#071E3E

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a203f;
/* rgb */ color: rgb(10, 32, 63);
/* oklch */ color: oklch(24.5% 0.065 257.5);

Tailwind

colors: {
  custom: {
    50: '#525a74',
    500: '#0a203f',
    950: '#000000',
  },
}

SCSS

$custom: #0a203f;
$custom-light: #525a74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a203f",
  "rgb": {
    "r": 10,
    "g": 32,
    "b": 63
  },
  "hsl": {
    "h": 215.094,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24544,
    "c": 0.06536,
    "h": 257.5
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#0A203F

secondary

#7C5A29

accent

#A338EF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #0A203F

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

Preview Lab → · Contrast checker → · Palette generator →