#0B1844#0B1844

#0B1844 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.085 H 266.9°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B1844
RGB	rgb(11, 24, 68)
HSL	hsl(226, 72%, 15%)
HSV	hsv(226, 84%, 27%)
CMYK	cmyk(83.8%, 64.7%, 0%, 73.3%)
CIE-LAB	lab(10.12, 13.05, -29.38)
CIE-LCH	lch(10.12, 32.15, 293.94°)
OKLab	oklab(23.01% -0.0046 -0.0848)
OKLCH	oklch(23.01% 0.085 266.9)
XYZ	xyz(1.5077, 1.1416, 5.6086)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1844 #44370B

analogous

#0B3444 #0B1844 #1A0B44

triadic

#0B1844 #440B18 #18440B

tetradic

#0B1844 #440B34 #44370B #0B441A

square

#0B1844 #440B34 #44370B #0B441A

split-complementary

#0B1844 #441A0B #34440B

monochromatic

#04091A #04091A #0B1844 #142B79 #1C3DAD

Accessibility & contrast

On white

17.10

#0B1844 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1844 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1844

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1844	#FFFFFF	#000000	##FFFFFF
##0B1844	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E45

Deuteranopia (green-blind)

#001943

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1844;
/* rgb */ color: rgb(11, 24, 68);
/* oklch */ color: oklch(23.0% 0.085 266.9);

Tailwind

colors: {
  custom: {
    50: '#545478',
    500: '#0b1844',
    950: '#000000',
  },
}

SCSS

$custom: #0b1844;
$custom-light: #545478;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1844",
  "rgb": {
    "r": 11,
    "g": 24,
    "b": 68
  },
  "hsl": {
    "h": 226.316,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23005,
    "c": 0.0849,
    "h": 266.9
  },
  "luminance": 0.01142
}

Semantic roles & 50–950 ramp

primary

#0B1844

secondary

#816D2A

accent

#C539EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1844

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

Preview Lab → · Contrast checker → · Palette generator →