#05223C#05223C

#05223C is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.060 H 249.3°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#05223C
RGB	rgb(5, 34, 60)
HSL	hsl(208, 85%, 13%)
HSV	hsv(208, 92%, 24%)
CMYK	cmyk(91.7%, 43.3%, 0%, 76.5%)
CIE-LAB	lab(12.62, 0.63, -19.73)
CIE-LCH	lch(12.62, 19.74, 271.82°)
OKLab	oklab(24.65% -0.0212 -0.0563)
OKLCH	oklch(24.65% 0.06 249.3)
XYZ	xyz(1.4499, 1.5024, 4.4877)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05223C #3C1F05

analogous

#053C3A #05223C #05063C

triadic

#05223C #3C0522 #223C05

tetradic

#05223C #3A053C #3C1F05 #063C05

square

#05223C #3A053C #3C1F05 #063C05

split-complementary

#05223C #3C0506 #3C3A05

monochromatic

#02101C #02101C #05223C #0A4274 #0E62AD

Accessibility & contrast

On white

16.15

#05223C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#05223C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05223C

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05223C	#FFFFFF	#000000	##FFFFFF
##05223C	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16243D

Deuteranopia (green-blind)

#0D1E3B

Tritanopia (blue-blind)

#00282C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #05223c;
/* rgb */ color: rgb(5, 34, 60);
/* oklch */ color: oklch(24.6% 0.060 249.3);

Tailwind

colors: {
  custom: {
    50: '#4f5c72',
    500: '#05223c',
    950: '#000000',
  },
}

SCSS

$custom: #05223c;
$custom-light: #4f5c72;
$custom-dark: #000000;

JSON

{
  "hex": "#05223c",
  "rgb": {
    "r": 5,
    "g": 34,
    "b": 60
  },
  "hsl": {
    "h": 208.364,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24648,
    "c": 0.06018,
    "h": 249.3
  },
  "luminance": 0.01503
}

Semantic roles & 50–950 ramp

primary

#05223C

secondary

#7D4C20

accent

#8E2DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #05223C

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

Preview Lab → · Contrast checker → · Palette generator →