#0D103B#0D103B

#0D103B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.081 H 273.6°. Best body text is #FFFFFF at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#0D103B
RGB	rgb(13, 16, 59)
HSL	hsl(236, 64%, 14%)
HSV	hsv(236, 78%, 23%)
CMYK	cmyk(78%, 72.9%, 0%, 76.9%)
CIE-LAB	lab(6.97, 15.45, -28.11)
CIE-LCH	lch(6.97, 32.07, 298.80°)
OKLab	oklab(20.39% 0.0051 -0.0813)
OKLCH	oklch(20.39% 0.081 273.6)
XYZ	xyz(1.1404, 0.7718, 4.2257)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 2.81

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D103B #3B380D

analogous

#0D273B #0D103B #210D3B

triadic

#0D103B #3B0D10 #103B0D

tetradic

#0D103B #3B0D27 #3B380D #0D3B21

square

#0D103B #3B0D27 #3B380D #0D3B21

split-complementary

#0D103B #3B210D #273B0D

monochromatic

#060719 #060719 #0D103B #181E6D #232B9F

Accessibility & contrast

On white

18.19

#0D103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0D103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D103B

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D103B	#FFFFFF	#000000	##FFFFFF
##0D103B	1.00	18.19	1.15	18.19
#FFFFFF	18.19	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#00133A

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0d103b;
/* rgb */ color: rgb(13, 16, 59);
/* oklch */ color: oklch(20.4% 0.081 273.6);

Tailwind

colors: {
  custom: {
    50: '#534e71',
    500: '#0d103b',
    950: '#000000',
  },
}

SCSS

$custom: #0d103b;
$custom-light: #534e71;
$custom-dark: #000000;

JSON

{
  "hex": "#0d103b",
  "rgb": {
    "r": 13,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 236.087,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20394,
    "c": 0.08149,
    "h": 273.6
  },
  "luminance": 0.00772
}

Semantic roles & 50–950 ramp

primary

#0D103B

secondary

#77722D

accent

#DC41E7

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #0D103B

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

Preview Lab → · Contrast checker → · Palette generator →