#0B1842#0B1842

#0B1842 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.082 H 266.7°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B1842
RGB	rgb(11, 24, 66)
HSL	hsl(226, 71%, 15%)
HSV	hsv(226, 83%, 26%)
CMYK	cmyk(83.3%, 63.6%, 0%, 74.1%)
CIE-LAB	lab(9.94, 12.15, -28.27)
CIE-LCH	lch(9.94, 30.78, 293.26°)
OKLab	oklab(22.81% -0.0047 -0.0815)
OKLCH	oklch(22.81% 0.082 266.7)
XYZ	xyz(1.4477, 1.1176, 5.2926)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1842 #42350B

analogous

#0B3442 #0B1842 #190B42

triadic

#0B1842 #420B18 #18420B

tetradic

#0B1842 #420B34 #42350B #0B4219

square

#0B1842 #420B34 #42350B #0B4219

split-complementary

#0B1842 #42190B #34420B

monochromatic

#040A1A #040A1A #0B1842 #142B76 #1C3EAB

Accessibility & contrast

On white

17.16

#0B1842 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B1842 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1842

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1842	#FFFFFF	#000000	##FFFFFF
##0B1842	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E43

Deuteranopia (green-blind)

#001941

Tritanopia (blue-blind)

#00222A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b1842;
/* rgb */ color: rgb(11, 24, 66);
/* oklch */ color: oklch(22.8% 0.082 266.7);

Tailwind

colors: {
  custom: {
    50: '#545477',
    500: '#0b1842',
    950: '#000000',
  },
}

SCSS

$custom: #0b1842;
$custom-light: #545477;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1842",
  "rgb": {
    "r": 11,
    "g": 24,
    "b": 66
  },
  "hsl": {
    "h": 225.818,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.22808,
    "c": 0.08165,
    "h": 266.7
  },
  "luminance": 0.01118
}

Semantic roles & 50–950 ramp

primary

#0B1842

secondary

#7F6B2A

accent

#C33AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B1842

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

Preview Lab → · Contrast checker → · Palette generator →