#0D104A#0D104A

#0D104A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.105 H 271.8°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#0D104A
RGB	rgb(13, 16, 74)
HSL	hsl(237, 70%, 17%)
HSV	hsv(237, 82%, 29%)
CMYK	cmyk(82.4%, 78.4%, 0%, 71%)
CIE-LAB	lab(8.57, 21.88, -36.11)
CIE-LCH	lch(8.57, 42.22, 301.22°)
OKLab	oklab(22.09% 0.0033 -0.1045)
OKLCH	oklch(22.09% 0.105 271.8)
XYZ	xyz(1.5869, 0.9504, 6.5770)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D104A #4A470D

analogous

#0D2F4A #0D104A #290D4A

triadic

#0D104A #4A0D10 #104A0D

tetradic

#0D104A #4A0D2F #4A470D #0D4A29

square

#0D104A #4A0D2F #4A470D #0D4A29

split-complementary

#0D104A #4A290D #2F4A0D

monochromatic

#05061A #05061A #0D104A #161B7E #1F27B2

Accessibility & contrast

On white

17.64

#0D104A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0D104A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D104A

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D104A	#FFFFFF	#000000	##FFFFFF
##0D104A	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4C

Deuteranopia (green-blind)

#001649

Tritanopia (blue-blind)

#00202B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0d104a;
/* rgb */ color: rgb(13, 16, 74);
/* oklch */ color: oklch(22.1% 0.105 271.8);

Tailwind

colors: {
  custom: {
    50: '#584e7d',
    500: '#0d104a',
    950: '#000000',
  },
}

SCSS

$custom: #0d104a;
$custom-light: #584e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d104a",
  "rgb": {
    "r": 13,
    "g": 16,
    "b": 74
  },
  "hsl": {
    "h": 237.049,
    "s": 70.115,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22092,
    "c": 0.10454,
    "h": 271.8
  },
  "luminance": 0.00951
}

Semantic roles & 50–950 ramp

primary

#0D104A

secondary

#85812E

accent

#E43BED

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0D104A

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

Preview Lab → · Contrast checker → · Palette generator →