#0B1544#0B1544

#0B1544 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.089 H 268.7°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#0B1544
RGB	rgb(11, 21, 68)
HSL	hsl(229, 72%, 15%)
HSV	hsv(229, 84%, 27%)
CMYK	cmyk(83.8%, 69.1%, 0%, 73.3%)
CIE-LAB	lab(9.20, 15.38, -30.89)
CIE-LCH	lch(9.20, 34.51, 296.47°)
OKLab	oklab(22.32% -0.0021 -0.0892)
OKLCH	oklch(22.32% 0.089 268.7)
XYZ	xyz(1.4492, 1.0247, 5.5891)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1544 #443A0B

analogous

#0B3144 #0B1544 #1D0B44

triadic

#0B1544 #440B15 #15440B

tetradic

#0B1544 #440B31 #443A0B #0B441D

square

#0B1544 #440B31 #443A0B #0B441D

split-complementary

#0B1544 #441D0B #31440B

monochromatic

#04081A #04081A #0B1544 #142579 #1C36AD

Accessibility & contrast

On white

17.43

#0B1544 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1544 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1544

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1544	#FFFFFF	#000000	##FFFFFF
##0B1544	1.00	17.43	1.21	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D46

Deuteranopia (green-blind)

#001743

Tritanopia (blue-blind)

#00212A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1544;
/* rgb */ color: rgb(11, 21, 68);
/* oklch */ color: oklch(22.3% 0.089 268.7);

Tailwind

colors: {
  custom: {
    50: '#545278',
    500: '#0b1544',
    950: '#000000',
  },
}

SCSS

$custom: #0b1544;
$custom-light: #545278;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1544",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 68
  },
  "hsl": {
    "h": 229.474,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22316,
    "c": 0.08927,
    "h": 268.7
  },
  "luminance": 0.01025
}

Semantic roles & 50–950 ramp

primary

#0B1544

secondary

#81712A

accent

#CF39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1544

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

Preview Lab → · Contrast checker → · Palette generator →