#0B1940#0B1940

#0B1940 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.077 H 265.7°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#0B1940
RGB	rgb(11, 25, 64)
HSL	hsl(224, 71%, 15%)
HSV	hsv(224, 83%, 25%)
CMYK	cmyk(82.8%, 60.9%, 0%, 74.9%)
CIE-LAB	lab(10.08, 10.46, -26.63)
CIE-LCH	lch(10.08, 28.61, 291.45°)
OKLab	oklab(22.86% -0.0058 -0.0767)
OKLCH	oklch(22.86% 0.077 265.7)
XYZ	xyz(1.4107, 1.1364, 4.9945)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1940 #40320B

analogous

#0B3440 #0B1940 #180B40

triadic

#0B1940 #400B19 #19400B

tetradic

#0B1940 #400B34 #40320B #0B4018

square

#0B1940 #400B34 #40320B #0B4018

split-complementary

#0B1940 #40180B #34400B

monochromatic

#040A1A #040A1A #0B1940 #142D74 #1D42A8

Accessibility & contrast

On white

17.11

#0B1940 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1940 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1940

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1940	#FFFFFF	#000000	##FFFFFF
##0B1940	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011E41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1940;
/* rgb */ color: rgb(11, 25, 64);
/* oklch */ color: oklch(22.9% 0.077 265.7);

Tailwind

colors: {
  custom: {
    50: '#535575',
    500: '#0b1940',
    950: '#000000',
  },
}

SCSS

$custom: #0b1940;
$custom-light: #535575;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1940",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 64
  },
  "hsl": {
    "h": 224.151,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.22861,
    "c": 0.07688,
    "h": 265.7
  },
  "luminance": 0.01137
}

Semantic roles & 50–950 ramp

primary

#0B1940

secondary

#7D672A

accent

#BE3AED

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B1940

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

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