#0B2140#0B2140

#0B2140 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.9% C 0.065 H 257.5°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#0B2140
RGB	rgb(11, 33, 64)
HSL	hsl(215, 71%, 15%)
HSV	hsv(215, 83%, 25%)
CMYK	cmyk(82.8%, 48.4%, 0%, 74.9%)
CIE-LAB	lab(12.79, 4.23, -22.27)
CIE-LCH	lch(12.79, 22.67, 280.76°)
OKLab	oklab(24.94% -0.0141 -0.0637)
OKLCH	oklch(24.94% 0.065 257.5)
XYZ	xyz(1.6069, 1.5288, 5.0599)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2140 #402A0B

analogous

#0B3C40 #0B2140 #0F0B40

triadic

#0B2140 #400B21 #21400B

tetradic

#0B2140 #400B3C #402A0B #0B400F

square

#0B2140 #400B3C #402A0B #0B400F

split-complementary

#0B2140 #400F0B #3C400B

monochromatic

#040D1A #040D1A #0B2140 #143C74 #1D57A8

Accessibility & contrast

On white

16.08

#0B2140 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0B2140 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2140

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2140	#FFFFFF	#000000	##FFFFFF
##0B2140	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122441

Deuteranopia (green-blind)

#091F3F

Tritanopia (blue-blind)

#00282D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b2140;
/* rgb */ color: rgb(11, 33, 64);
/* oklch */ color: oklch(24.9% 0.065 257.5);

Tailwind

colors: {
  custom: {
    50: '#525b75',
    500: '#0b2140',
    950: '#000000',
  },
}

SCSS

$custom: #0b2140;
$custom-light: #525b75;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2140",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 64
  },
  "hsl": {
    "h": 215.094,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24938,
    "c": 0.0652,
    "h": 257.5
  },
  "luminance": 0.01529
}

Semantic roles & 50–950 ramp

primary

#0B2140

secondary

#7D5A2A

accent

#A33AED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0B2140

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

Preview Lab → · Contrast checker → · Palette generator →