#0B1641#0B1641

#0B1641 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.083 H 268.0°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B1641
RGB	rgb(11, 22, 65)
HSL	hsl(228, 71%, 15%)
HSV	hsv(228, 83%, 25%)
CMYK	cmyk(83.1%, 66.2%, 0%, 74.5%)
CIE-LAB	lab(9.21, 13.28, -28.75)
CIE-LCH	lch(9.21, 31.67, 294.79°)
OKLab	oklab(22.24% -0.0029 -0.0829)
OKLCH	oklch(22.24% 0.083 268)
XYZ	xyz(1.3787, 1.0265, 5.1255)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1641 #41360B

analogous

#0B3141 #0B1641 #1B0B41

triadic

#0B1641 #410B16 #16410B

tetradic

#0B1641 #410B31 #41360B #0B411B

square

#0B1641 #410B31 #41360B #0B411B

split-complementary

#0B1641 #411B0B #31410B

monochromatic

#04091A #04091A #0B1641 #142875 #1D39AA

Accessibility & contrast

On white

17.42

#0B1641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1641

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1641	#FFFFFF	#000000	##FFFFFF
##0B1641	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C42

Deuteranopia (green-blind)

#001740

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1641;
/* rgb */ color: rgb(11, 22, 65);
/* oklch */ color: oklch(22.2% 0.083 268.0);

Tailwind

colors: {
  custom: {
    50: '#535276',
    500: '#0b1641',
    950: '#000000',
  },
}

SCSS

$custom: #0b1641;
$custom-light: #535276;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1641",
  "rgb": {
    "r": 11,
    "g": 22,
    "b": 65
  },
  "hsl": {
    "h": 227.778,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.22236,
    "c": 0.083,
    "h": 268
  },
  "luminance": 0.01027
}

Semantic roles & 50–950 ramp

primary

#0B1641

secondary

#7E6D2A

accent

#C93AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B1641

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

Preview Lab → · Contrast checker → · Palette generator →