#0D0D2B#0D0D2B

#0D0D2B is a very dark, muted blue. Relative luminance 0.005; OKLCH L 18.1% C 0.059 H 278.7°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#0D0D2B
RGB	rgb(13, 13, 43)
HSL	hsl(240, 54%, 11%)
HSV	hsv(240, 70%, 17%)
CMYK	cmyk(69.8%, 69.8%, 0%, 83.1%)
CIE-LAB	lab(4.95, 9.22, -19.58)
CIE-LCH	lch(4.95, 21.64, 295.22°)
OKLab	oklab(18.08% 0.0089 -0.0586)
OKLCH	oklch(18.08% 0.059 278.7)
XYZ	xyz(0.7458, 0.5478, 2.3515)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0D2B #2B2B0D

analogous

#0D1C2B #0D0D2B #1C0D2B

triadic

#0D0D2B #2B0D0D #0D2B0D

tetradic

#0D0D2B #2B0D1C #2B2B0D #0D2B1C

square

#0D0D2B #2B0D1C #2B2B0D #0D2B1C

split-complementary

#0D0D2B #2B1C0D #1C2B0D

monochromatic

#070717 #070717 #0D0D2B #1B1B5A #292989

Accessibility & contrast

On white

18.93

#0D0D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0D0D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0D2B

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0D2B	#FFFFFF	#000000	##FFFFFF
##0D0D2B	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#01141A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0d0d2b;
/* rgb */ color: rgb(13, 13, 43);
/* oklch */ color: oklch(18.1% 0.059 278.7);

Tailwind

colors: {
  custom: {
    50: '#4e4c64',
    500: '#0d0d2b',
    950: '#000000',
  },
}

SCSS

$custom: #0d0d2b;
$custom-light: #4e4c64;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0d2b",
  "rgb": {
    "r": 13,
    "g": 13,
    "b": 43
  },
  "hsl": {
    "h": 240,
    "s": 53.571,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18078,
    "c": 0.05927,
    "h": 278.7
  },
  "luminance": 0.00548
}

Semantic roles & 50–950 ramp

primary

#0D0D2B

secondary

#66662E

accent

#DD4BDD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0D0D2B

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

Preview Lab → · Contrast checker → · Palette generator →