#0B203F#0B203F

#0B203F is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.6% C 0.065 H 258.2°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#0B203F
RGB	rgb(11, 32, 63)
HSL	hsl(216, 70%, 15%)
HSV	hsv(216, 83%, 25%)
CMYK	cmyk(82.5%, 49.2%, 0%, 75.3%)
CIE-LAB	lab(12.37, 4.55, -22.24)
CIE-LCH	lch(12.37, 22.70, 281.56°)
OKLab	oklab(24.59% -0.0133 -0.0636)
OKLCH	oklch(24.59% 0.065 258.2)
XYZ	xyz(1.5514, 1.4629, 4.9023)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B203F #3F2A0B

analogous

#0B3A3F #0B203F #100B3F

triadic

#0B203F #3F0B20 #203F0B

tetradic

#0B203F #3F0B3A #3F2A0B #0B3F10

square

#0B203F #3F0B3A #3F2A0B #0B3F10

split-complementary

#0B203F #3F100B #3A3F0B

monochromatic

#050D1A #050D1A #0B203F #143A73 #1D55A7

Accessibility & contrast

On white

16.25

#0B203F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B203F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B203F

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B203F	#FFFFFF	#000000	##FFFFFF
##0B203F	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112340

Deuteranopia (green-blind)

#081E3E

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b203f;
/* rgb */ color: rgb(11, 32, 63);
/* oklch */ color: oklch(24.6% 0.065 258.2);

Tailwind

colors: {
  custom: {
    50: '#525a74',
    500: '#0b203f',
    950: '#000000',
  },
}

SCSS

$custom: #0b203f;
$custom-light: #525a74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b203f",
  "rgb": {
    "r": 11,
    "g": 32,
    "b": 63
  },
  "hsl": {
    "h": 215.769,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24589,
    "c": 0.06496,
    "h": 258.2
  },
  "luminance": 0.01463
}

Semantic roles & 50–950 ramp

primary

#0B203F

secondary

#7C5B2A

accent

#A53BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #0B203F

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

Preview Lab → · Contrast checker → · Palette generator →