#0D0B2B#0D0B2B

#0D0B2B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.063 H 280.6°. Best body text is #FFFFFF at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#0D0B2B
RGB	rgb(13, 11, 43)
HSL	hsl(244, 59%, 11%)
HSV	hsv(244, 74%, 17%)
CMYK	cmyk(69.8%, 74.4%, 0%, 83.1%)
CIE-LAB	lab(4.51, 10.12, -20.27)
CIE-LCH	lch(4.51, 22.66, 296.53°)
OKLab	oklab(17.62% 0.0115 -0.0616)
OKLCH	oklch(17.62% 0.063 280.6)
XYZ	xyz(0.7216, 0.4993, 2.3434)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0B2B #292B0B

analogous

#0B192B #0D0B2B #1D0B2B

triadic

#0D0B2B #2B0D0B #0B2B0D

tetradic

#0D0B2B #2B0B19 #292B0B #0B2B1D

square

#0D0B2B #2B0B19 #292B0B #0B2B1D

split-complementary

#0D0B2B #2B1D0B #192B0B

monochromatic

#070618 #070618 #0D0B2B #1C175C #2A248C

Accessibility & contrast

On white

19.09

#0D0B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0D0B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0B2B

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0B2B	#FFFFFF	#000000	##FFFFFF
##0D0B2B	1.00	19.09	1.10	19.09
#FFFFFF	19.09	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112C

Deuteranopia (green-blind)

#000E2A

Tritanopia (blue-blind)

#021319

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0d0b2b;
/* rgb */ color: rgb(13, 11, 43);
/* oklch */ color: oklch(17.6% 0.063 280.6);

Tailwind

colors: {
  custom: {
    50: '#4e4b64',
    500: '#0d0b2b',
    950: '#000000',
  },
}

SCSS

$custom: #0d0b2b;
$custom-light: #4e4b64;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0b2b",
  "rgb": {
    "r": 13,
    "g": 11,
    "b": 43
  },
  "hsl": {
    "h": 243.75,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.17618,
    "c": 0.06264,
    "h": 280.6
  },
  "luminance": 0.00499
}

Semantic roles & 50–950 ramp

primary

#0D0B2B

secondary

#63672B

accent

#E245D9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0D0B2B

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

Preview Lab → · Contrast checker → · Palette generator →