#0B213E#0B213E

#0B213E is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.8% C 0.062 H 256.3°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#0B213E
RGB	rgb(11, 33, 62)
HSL	hsl(214, 70%, 14%)
HSV	hsv(214, 82%, 24%)
CMYK	cmyk(82.3%, 46.8%, 0%, 75.7%)
CIE-LAB	lab(12.65, 3.34, -21.09)
CIE-LCH	lch(12.65, 21.35, 278.99°)
OKLab	oklab(24.78% -0.0146 -0.0602)
OKLCH	oklch(24.78% 0.062 256.3)
XYZ	xyz(1.5511, 1.5065, 4.7655)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B213E #3E280B

analogous

#0B3B3E #0B213E #0F0B3E

triadic

#0B213E #3E0B21 #213E0B

tetradic

#0B213E #3E0B3B #3E280B #0B3E0F

square

#0B213E #3E0B3B #3E280B #0B3E0F

split-complementary

#0B213E #3E0F0B #3B3E0B

monochromatic

#050E1A #050E1A #0B213E #143D72 #1D58A6

Accessibility & contrast

On white

16.14

#0B213E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B213E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B213E

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B213E	#FFFFFF	#000000	##FFFFFF
##0B213E	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13233F

Deuteranopia (green-blind)

#0B1F3D

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b213e;
/* rgb */ color: rgb(11, 33, 62);
/* oklch */ color: oklch(24.8% 0.062 256.3);

Tailwind

colors: {
  custom: {
    50: '#525b73',
    500: '#0b213e',
    950: '#000000',
  },
}

SCSS

$custom: #0b213e;
$custom-light: #525b73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b213e",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 62
  },
  "hsl": {
    "h": 214.118,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24782,
    "c": 0.06195,
    "h": 256.3
  },
  "luminance": 0.01507
}

Semantic roles & 50–950 ramp

primary

#0B213E

secondary

#7B582A

accent

#A03BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #0B213E

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

Preview Lab → · Contrast checker → · Palette generator →