#0B223A#0B223A

#0B223A is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.8% C 0.054 H 251.8°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B223A
RGB	rgb(11, 34, 58)
HSL	hsl(211, 68%, 14%)
HSV	hsv(211, 81%, 23%)
CMYK	cmyk(81%, 41.4%, 0%, 77.3%)
CIE-LAB	lab(12.74, 0.80, -18.12)
CIE-LCH	lch(12.74, 18.14, 272.54°)
OKLab	oklab(24.77% -0.017 -0.0515)
OKLCH	oklch(24.77% 0.054 251.8)
XYZ	xyz(1.4735, 1.5205, 4.2180)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B223A #3A230B

analogous

#0B393A #0B223A #0B0B3A

triadic

#0B223A #3A0B22 #223A0B

tetradic

#0B223A #3A0B39 #3A230B #0B3A0B

square

#0B223A #3A0B39 #3A230B #0B3A0B

split-complementary

#0B223A #3A0B0B #393A0B

monochromatic

#050F1A #050F1A #0B223A #15406D #1F5EA1

Accessibility & contrast

On white

16.10

#0B223A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B223A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B223A

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B223A	#FFFFFF	#000000	##FFFFFF
##0B223A	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17233B

Deuteranopia (green-blind)

#101F3A

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b223a;
/* rgb */ color: rgb(11, 34, 58);
/* oklch */ color: oklch(24.8% 0.054 251.8);

Tailwind

colors: {
  custom: {
    50: '#515c70',
    500: '#0b223a',
    950: '#000000',
  },
}

SCSS

$custom: #0b223a;
$custom-light: #515c70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b223a",
  "rgb": {
    "r": 11,
    "g": 34,
    "b": 58
  },
  "hsl": {
    "h": 210.638,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24765,
    "c": 0.05423,
    "h": 251.8
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#0B223A

secondary

#77512A

accent

#963DEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B223A

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

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