#0A223C#0A223C

#0A223C is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.9% C 0.058 H 252.7°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#0A223C
RGB	rgb(10, 34, 60)
HSL	hsl(211, 71%, 14%)
HSV	hsv(211, 83%, 24%)
CMYK	cmyk(83.3%, 43.3%, 0%, 76.5%)
CIE-LAB	lab(12.83, 1.51, -19.40)
CIE-LCH	lch(12.83, 19.46, 274.45°)
OKLab	oklab(24.87% -0.0172 -0.0552)
OKLCH	oklch(24.87% 0.058 252.7)
XYZ	xyz(1.5125, 1.5347, 4.4906)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A223C #3C240A

analogous

#0A3B3C #0A223C #0B0A3C

triadic

#0A223C #3C0A22 #223C0A

tetradic

#0A223C #3C0A3B #3C240A #0A3C0B

square

#0A223C #3C0A3B #3C240A #0A3C0B

split-complementary

#0A223C #3C0B0A #3B3C0A

monochromatic

#040F1A #040F1A #0A223C #134070 #1B5DA5

Accessibility & contrast

On white

16.07

#0A223C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A223C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A223C

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A223C	#FFFFFF	#000000	##FFFFFF
##0A223C	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16243D

Deuteranopia (green-blind)

#0E1F3B

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a223c;
/* rgb */ color: rgb(10, 34, 60);
/* oklch */ color: oklch(24.9% 0.058 252.7);

Tailwind

colors: {
  custom: {
    50: '#515c72',
    500: '#0a223c',
    950: '#000000',
  },
}

SCSS

$custom: #0a223c;
$custom-light: #515c72;
$custom-dark: #000000;

JSON

{
  "hex": "#0a223c",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 60
  },
  "hsl": {
    "h": 211.2,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24865,
    "c": 0.05784,
    "h": 252.7
  },
  "luminance": 0.01535
}

Semantic roles & 50–950 ramp

primary

#0A223C

secondary

#795328

accent

#983AEE

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0A223C

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

Preview Lab → · Contrast checker → · Palette generator →