#0D0F2B#0D0F2B

#0D0F2B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.056 H 276.4°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#0D0F2B
RGB	rgb(13, 15, 43)
HSL	hsl(236, 54%, 11%)
HSV	hsv(236, 70%, 17%)
CMYK	cmyk(69.8%, 65.1%, 0%, 83.1%)
CIE-LAB	lab(5.43, 8.23, -18.81)
CIE-LCH	lch(5.43, 20.53, 293.63°)
OKLab	oklab(18.56% 0.0063 -0.0555)
OKLCH	oklch(18.56% 0.056 276.4)
XYZ	xyz(0.7727, 0.6016, 2.3604)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0F2B #2B290D

analogous

#0D1E2B #0D0F2B #1A0D2B

triadic

#0D0F2B #2B0D0F #0F2B0D

tetradic

#0D0F2B #2B0D1E #2B290D #0D2B1A

square

#0D0F2B #2B0D1E #2B290D #0D2B1A

split-complementary

#0D0F2B #2B1A0D #1E2B0D

monochromatic

#070817 #070817 #0D0F2B #1B1F5A #293089

Accessibility & contrast

On white

18.74

#0D0F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0D0F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0F2B

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0F2B	#FFFFFF	#000000	##FFFFFF
##0D0F2B	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02132C

Deuteranopia (green-blind)

#00112A

Tritanopia (blue-blind)

#01151B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0d0f2b;
/* rgb */ color: rgb(13, 15, 43);
/* oklch */ color: oklch(18.6% 0.056 276.4);

Tailwind

colors: {
  custom: {
    50: '#4e4d64',
    500: '#0d0f2b',
    950: '#000000',
  },
}

SCSS

$custom: #0d0f2b;
$custom-light: #4e4d64;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0f2b",
  "rgb": {
    "r": 13,
    "g": 15,
    "b": 43
  },
  "hsl": {
    "h": 236,
    "s": 53.571,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18563,
    "c": 0.05583,
    "h": 276.4
  },
  "luminance": 0.00602
}

Semantic roles & 50–950 ramp

primary

#0D0F2B

secondary

#66622E

accent

#D34BDD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0D0F2B

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

Preview Lab → · Contrast checker → · Palette generator →