#0B223B#0B223B

#0B223B is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.8% C 0.056 H 252.6°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#0B223B
RGB	rgb(11, 34, 59)
HSL	hsl(211, 69%, 14%)
HSV	hsv(211, 81%, 23%)
CMYK	cmyk(81.4%, 42.4%, 0%, 76.9%)
CIE-LAB	lab(12.80, 1.25, -18.73)
CIE-LCH	lch(12.80, 18.77, 273.80°)
OKLab	oklab(24.84% -0.0167 -0.0533)
OKLCH	oklch(24.84% 0.056 252.6)
XYZ	xyz(1.4992, 1.5308, 4.3533)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B223B #3B240B

analogous

#0B3A3B #0B223B #0C0B3B

triadic

#0B223B #3B0B22 #223B0B

tetradic

#0B223B #3B0B3A #3B240B #0B3B0C

square

#0B223B #3B0B3A #3B240B #0B3B0C

split-complementary

#0B223B #3B0C0B #3A3B0B

monochromatic

#050F1A #050F1A #0B223B #15406F #1E5DA2

Accessibility & contrast

On white

16.08

#0B223B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0B223B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B223B

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B223B	#FFFFFF	#000000	##FFFFFF
##0B223B	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243C

Deuteranopia (green-blind)

#101F3B

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b223b;
/* rgb */ color: rgb(11, 34, 59);
/* oklch */ color: oklch(24.8% 0.056 252.6);

Tailwind

colors: {
  custom: {
    50: '#515c71',
    500: '#0b223b',
    950: '#000000',
  },
}

SCSS

$custom: #0b223b;
$custom-light: #515c71;
$custom-dark: #000000;

JSON

{
  "hex": "#0b223b",
  "rgb": {
    "r": 11,
    "g": 34,
    "b": 59
  },
  "hsl": {
    "h": 211.25,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24836,
    "c": 0.05581,
    "h": 252.6
  },
  "luminance": 0.01531
}

Semantic roles & 50–950 ramp

primary

#0B223B

secondary

#78532A

accent

#983CEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B223B

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

Preview Lab → · Contrast checker → · Palette generator →