#0B203E#0B203E

#0B203E is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.5% C 0.063 H 257.7°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B203E
RGB	rgb(11, 32, 62)
HSL	hsl(215, 70%, 14%)
HSV	hsv(215, 82%, 24%)
CMYK	cmyk(82.3%, 48.4%, 0%, 75.7%)
CIE-LAB	lab(12.30, 4.10, -21.65)
CIE-LCH	lch(12.30, 22.03, 280.72°)
OKLab	oklab(24.51% -0.0135 -0.0619)
OKLCH	oklch(24.51% 0.063 257.7)
XYZ	xyz(1.5237, 1.4518, 4.7564)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B203E #3E290B

analogous

#0B3A3E #0B203E #100B3E

triadic

#0B203E #3E0B20 #203E0B

tetradic

#0B203E #3E0B3A #3E290B #0B3E10

square

#0B203E #3E0B3A #3E290B #0B3E10

split-complementary

#0B203E #3E100B #3A3E0B

monochromatic

#050D1A #050D1A #0B203E #143B72 #1D56A6

Accessibility & contrast

On white

16.27

#0B203E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B203E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B203E

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B203E	#FFFFFF	#000000	##FFFFFF
##0B203E	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12233F

Deuteranopia (green-blind)

#091E3D

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b203e;
/* rgb */ color: rgb(11, 32, 62);
/* oklch */ color: oklch(24.5% 0.063 257.7);

Tailwind

colors: {
  custom: {
    50: '#525b73',
    500: '#0b203e',
    950: '#000000',
  },
}

SCSS

$custom: #0b203e;
$custom-light: #525b73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b203e",
  "rgb": {
    "r": 11,
    "g": 32,
    "b": 62
  },
  "hsl": {
    "h": 215.294,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2451,
    "c": 0.06332,
    "h": 257.7
  },
  "luminance": 0.01452
}

Semantic roles & 50–950 ramp

primary

#0B203E

secondary

#7B5A2A

accent

#A43BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #0B203E

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

Preview Lab → · Contrast checker → · Palette generator →