#0B213C#0B213C

#0B213C is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.059 H 255.0°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#0B213C
RGB	rgb(11, 33, 60)
HSL	hsl(213, 69%, 14%)
HSV	hsv(213, 82%, 24%)
CMYK	cmyk(81.7%, 45%, 0%, 76.5%)
CIE-LAB	lab(12.51, 2.44, -19.90)
CIE-LCH	lch(12.51, 20.05, 277.00°)
OKLab	oklab(24.63% -0.0152 -0.0567)
OKLCH	oklch(24.63% 0.059 255)
XYZ	xyz(1.4972, 1.4849, 4.4818)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B213C #3C260B

analogous

#0B3A3C #0B213C #0E0B3C

triadic

#0B213C #3C0B21 #213C0B

tetradic

#0B213C #3C0B3A #3C260B #0B3C0E

square

#0B213C #3C0B3A #3C260B #0B3C0E

split-complementary

#0B213C #3C0E0B #3A3C0B

monochromatic

#050E1A #050E1A #0B213C #143D70 #1E5AA3

Accessibility & contrast

On white

16.19

#0B213C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B213C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B213C

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B213C	#FFFFFF	#000000	##FFFFFF
##0B213C	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15233D

Deuteranopia (green-blind)

#0D1E3B

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b213c;
/* rgb */ color: rgb(11, 33, 60);
/* oklch */ color: oklch(24.6% 0.059 255.0);

Tailwind

colors: {
  custom: {
    50: '#515b72',
    500: '#0b213c',
    950: '#000000',
  },
}

SCSS

$custom: #0b213c;
$custom-light: #515b72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b213c",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 60
  },
  "hsl": {
    "h": 213.061,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24631,
    "c": 0.05871,
    "h": 255
  },
  "luminance": 0.01485
}

Semantic roles & 50–950 ramp

primary

#0B213C

secondary

#79552A

accent

#9D3CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0B213C

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

Preview Lab → · Contrast checker → · Palette generator →