#0A0D37#0A0D37

#0A0D37 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.080 H 272.8°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D37
RGB	rgb(10, 13, 55)
HSL	hsl(236, 69%, 13%)
HSV	hsv(236, 82%, 22%)
CMYK	cmyk(81.8%, 76.4%, 0%, 78.4%)
CIE-LAB	lab(5.67, 14.60, -27.32)
CIE-LCH	lch(5.67, 30.98, 298.13°)
OKLab	oklab(19.09% 0.004 -0.0803)
OKLCH	oklch(19.09% 0.08 272.8)
XYZ	xyz(0.9585, 0.6281, 3.6844)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D37 #37340A

analogous

#0A2337 #0A0D37 #1D0A37

triadic

#0A0D37 #370A0D #0D370A

tetradic

#0A0D37 #370A23 #37340A #0A371D

square

#0A0D37 #370A23 #37340A #0A371D

split-complementary

#0A0D37 #371D0A #23370A

monochromatic

#05061A #05061A #0A0D37 #13196B #1D259F

Accessibility & contrast

On white

18.66

#0A0D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D37

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D37	#FFFFFF	#000000	##FFFFFF
##0A0D37	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#001036

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0d37;
/* rgb */ color: rgb(10, 13, 55);
/* oklch */ color: oklch(19.1% 0.080 272.8);

Tailwind

colors: {
  custom: {
    50: '#504c6e',
    500: '#0a0d37',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d37;
$custom-light: #504c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d37",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 55
  },
  "hsl": {
    "h": 236,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19092,
    "c": 0.08037,
    "h": 272.8
  },
  "luminance": 0.00628
}

Semantic roles & 50–950 ramp

primary

#0A0D37

secondary

#746F28

accent

#E03CEC

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0A0D37

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

Preview Lab → · Contrast checker → · Palette generator →