#0D123F#0D123F

#0D123F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.085 H 272.0°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#0D123F
RGB	rgb(13, 18, 63)
HSL	hsl(234, 66%, 15%)
HSV	hsv(234, 79%, 25%)
CMYK	cmyk(79.4%, 71.4%, 0%, 75.3%)
CIE-LAB	lab(7.92, 15.83, -29.43)
CIE-LCH	lch(7.92, 33.41, 298.27°)
OKLab	oklab(21.25% 0.003 -0.0849)
OKLCH	oklch(21.25% 0.085 272)
XYZ	xyz(1.2792, 0.8769, 4.8035)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D123F #3F3A0D

analogous

#0D2B3F #0D123F #210D3F

triadic

#0D123F #3F0D12 #123F0D

tetradic

#0D123F #3F0D2B #3F3A0D #0D3F21

square

#0D123F #3F0D2B #3F3A0D #0D3F21

split-complementary

#0D123F #3F210D #2B3F0D

monochromatic

#050719 #050719 #0D123F #172072 #222FA4

Accessibility & contrast

On white

17.87

#0D123F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0D123F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D123F

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D123F	#FFFFFF	#000000	##FFFFFF
##0D123F	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A40

Deuteranopia (green-blind)

#00153E

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0d123f;
/* rgb */ color: rgb(13, 18, 63);
/* oklch */ color: oklch(21.3% 0.085 272.0);

Tailwind

colors: {
  custom: {
    50: '#544f74',
    500: '#0d123f',
    950: '#000000',
  },
}

SCSS

$custom: #0d123f;
$custom-light: #544f74;
$custom-dark: #000000;

JSON

{
  "hex": "#0d123f",
  "rgb": {
    "r": 13,
    "g": 18,
    "b": 63
  },
  "hsl": {
    "h": 234,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21253,
    "c": 0.08499,
    "h": 272
  },
  "luminance": 0.00877
}

Semantic roles & 50–950 ramp

primary

#0D123F

secondary

#7B732D

accent

#D83FE9

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D123F

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

Preview Lab → · Contrast checker → · Palette generator →