#0D123D#0D123D

#0D123D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.0% C 0.082 H 272.2°. Best body text is #FFFFFF at 17.93:1 contrast (WCAG AA passes).

Color values

HEX	#0D123D
RGB	rgb(13, 18, 61)
HSL	hsl(234, 65%, 15%)
HSV	hsv(234, 79%, 24%)
CMYK	cmyk(78.7%, 70.5%, 0%, 76.1%)
CIE-LAB	lab(7.72, 14.95, -28.32)
CIE-LCH	lch(7.72, 32.03, 297.83°)
OKLab	oklab(21.04% 0.0031 -0.0817)
OKLCH	oklch(21.04% 0.082 272.2)
XYZ	xyz(1.2243, 0.8550, 4.5145)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D123D #3D380D

analogous

#0D2A3D #0D123D #200D3D

triadic

#0D123D #3D0D12 #123D0D

tetradic

#0D123D #3D0D2A #3D380D #0D3D20

square

#0D123D #3D0D2A #3D380D #0D3D20

split-complementary

#0D123D #3D200D #2A3D0D

monochromatic

#050719 #050719 #0D123D #18216F #2330A2

Accessibility & contrast

On white

17.93

#0D123D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0D123D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D123D

17.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D123D	#FFFFFF	#000000	##FFFFFF
##0D123D	1.00	17.93	1.17	17.93
#FFFFFF	17.93	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193E

Deuteranopia (green-blind)

#00153C

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0d123d;
/* rgb */ color: rgb(13, 18, 61);
/* oklch */ color: oklch(21.0% 0.082 272.2);

Tailwind

colors: {
  custom: {
    50: '#534f73',
    500: '#0d123d',
    950: '#000000',
  },
}

SCSS

$custom: #0d123d;
$custom-light: #534f73;
$custom-dark: #000000;

JSON

{
  "hex": "#0d123d",
  "rgb": {
    "r": 13,
    "g": 18,
    "b": 61
  },
  "hsl": {
    "h": 233.75,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21042,
    "c": 0.08177,
    "h": 272.2
  },
  "luminance": 0.00855
}

Semantic roles & 50–950 ramp

primary

#0D123D

secondary

#79712D

accent

#D640E8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0D123D

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

Preview Lab → · Contrast checker → · Palette generator →