#0D104E#0D104E

#0D104E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.110 H 271.4°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#0D104E
RGB	rgb(13, 16, 78)
HSL	hsl(237, 71%, 18%)
HSV	hsv(237, 83%, 31%)
CMYK	cmyk(83.3%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(9.04, 23.49, -38.11)
CIE-LCH	lch(9.04, 44.77, 301.64°)
OKLab	oklab(22.57% 0.0026 -0.1103)
OKLCH	oklch(22.57% 0.11 271.4)
XYZ	xyz(1.7260, 1.0060, 7.3095)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D104E #4E4B0D

analogous

#0D304E #0D104E #2A0D4E

triadic

#0D104E #4E0D10 #104E0D

tetradic

#0D104E #4E0D30 #4E4B0D #0D4E2A

square

#0D104E #4E0D30 #4E4B0D #0D4E2A

split-complementary

#0D104E #4E2A0D #304E0D

monochromatic

#04051A #04051A #0D104E #161B82 #1E26B7

Accessibility & contrast

On white

17.48

#0D104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0D104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D104E

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D104E	#FFFFFF	#000000	##FFFFFF
##0D104E	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#00164D

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0d104e;
/* rgb */ color: rgb(13, 16, 78);
/* oklch */ color: oklch(22.6% 0.110 271.4);

Tailwind

colors: {
  custom: {
    50: '#594e80',
    500: '#0d104e',
    950: '#000000',
  },
}

SCSS

$custom: #0d104e;
$custom-light: #594e80;
$custom-dark: #000000;

JSON

{
  "hex": "#0d104e",
  "rgb": {
    "r": 13,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 237.231,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.2257,
    "c": 0.11035,
    "h": 271.4
  },
  "luminance": 0.01006
}

Semantic roles & 50–950 ramp

primary

#0D104E

secondary

#89852E

accent

#E63AEE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0D104E

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

Preview Lab → · Contrast checker → · Palette generator →