#0D123E#0D123E

#0D123E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.083 H 272.1°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#0D123E
RGB	rgb(13, 18, 62)
HSL	hsl(234, 65%, 15%)
HSV	hsv(234, 79%, 24%)
CMYK	cmyk(79%, 71%, 0%, 75.7%)
CIE-LAB	lab(7.82, 15.39, -28.88)
CIE-LCH	lch(7.82, 32.72, 298.06°)
OKLab	oklab(21.15% 0.0031 -0.0833)
OKLCH	oklch(21.15% 0.083 272.1)
XYZ	xyz(1.2515, 0.8659, 4.6577)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D123E #3E390D

analogous

#0D2A3E #0D123E #210D3E

triadic

#0D123E #3E0D12 #123E0D

tetradic

#0D123E #3E0D2A #3E390D #0D3E21

square

#0D123E #3E0D2A #3E390D #0D3E21

split-complementary

#0D123E #3E210D #2A3E0D

monochromatic

#050719 #050719 #0D123E #182171 #222FA3

Accessibility & contrast

On white

17.90

#0D123E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0D123E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D123E

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D123E	#FFFFFF	#000000	##FFFFFF
##0D123E	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193F

Deuteranopia (green-blind)

#00153D

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0d123e;
/* rgb */ color: rgb(13, 18, 62);
/* oklch */ color: oklch(21.1% 0.083 272.1);

Tailwind

colors: {
  custom: {
    50: '#544f74',
    500: '#0d123e',
    950: '#000000',
  },
}

SCSS

$custom: #0d123e;
$custom-light: #544f74;
$custom-dark: #000000;

JSON

{
  "hex": "#0d123e",
  "rgb": {
    "r": 13,
    "g": 18,
    "b": 62
  },
  "hsl": {
    "h": 233.878,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21147,
    "c": 0.08339,
    "h": 272.1
  },
  "luminance": 0.00866
}

Semantic roles & 50–950 ramp

primary

#0D123E

secondary

#7A722D

accent

#D740E8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D123E

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

Preview Lab → · Contrast checker → · Palette generator →