#0B213D#0B213D

#0B213D is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.7% C 0.060 H 255.7°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B213D
RGB	rgb(11, 33, 61)
HSL	hsl(214, 69%, 14%)
HSV	hsv(214, 82%, 24%)
CMYK	cmyk(82%, 45.9%, 0%, 76.1%)
CIE-LAB	lab(12.58, 2.89, -20.49)
CIE-LCH	lch(12.58, 20.70, 278.02°)
OKLab	oklab(24.71% -0.0149 -0.0585)
OKLCH	oklch(24.71% 0.06 255.7)
XYZ	xyz(1.5239, 1.4956, 4.6223)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B213D #3D270B

analogous

#0B3A3D #0B213D #0E0B3D

triadic

#0B213D #3D0B21 #213D0B

tetradic

#0B213D #3D0B3A #3D270B #0B3D0E

square

#0B213D #3D0B3A #3D270B #0B3D0E

split-complementary

#0B213D #3D0E0B #3A3D0B

monochromatic

#050E1A #050E1A #0B213D #143D71 #1E59A5

Accessibility & contrast

On white

16.16

#0B213D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B213D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B213D

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B213D	#FFFFFF	#000000	##FFFFFF
##0B213D	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14233E

Deuteranopia (green-blind)

#0C1F3C

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b213d;
/* rgb */ color: rgb(11, 33, 61);
/* oklch */ color: oklch(24.7% 0.060 255.7);

Tailwind

colors: {
  custom: {
    50: '#525b72',
    500: '#0b213d',
    950: '#000000',
  },
}

SCSS

$custom: #0b213d;
$custom-light: #525b72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b213d",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 61
  },
  "hsl": {
    "h": 213.6,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24706,
    "c": 0.06033,
    "h": 255.7
  },
  "luminance": 0.01496
}

Semantic roles & 50–950 ramp

primary

#0B213D

secondary

#7A572A

accent

#9F3CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0B213D

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

Preview Lab → · Contrast checker → · Palette generator →