#05223F#05223F

#05223F is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.9% C 0.065 H 251.7°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#05223F
RGB	rgb(5, 34, 63)
HSL	hsl(210, 85%, 13%)
HSV	hsv(210, 92%, 25%)
CMYK	cmyk(92.1%, 46%, 0%, 75.3%)
CIE-LAB	lab(12.83, 2.03, -21.52)
CIE-LCH	lch(12.83, 21.61, 275.38°)
OKLab	oklab(24.88% -0.0203 -0.0615)
OKLCH	oklch(24.88% 0.065 251.7)
XYZ	xyz(1.5315, 1.5350, 4.9172)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05223F #3F2205

analogous

#053F3F #05223F #05053F

triadic

#05223F #3F0522 #223F05

tetradic

#05223F #3F053F #3F2205 #053F05

square

#05223F #3F053F #3F2205 #053F05

split-complementary

#05223F #3F0505 #3F3F05

monochromatic

#020F1C #020F1C #05223F #094178 #0E5FB0

Accessibility & contrast

On white

16.07

#05223F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#05223F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05223F

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05223F	#FFFFFF	#000000	##FFFFFF
##05223F	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)

#142440

Deuteranopia (green-blind)

#0A1F3E

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #05223f;
/* rgb */ color: rgb(5, 34, 63);
/* oklch */ color: oklch(24.9% 0.065 251.7);

Tailwind

colors: {
  custom: {
    50: '#505c74',
    500: '#05223f',
    950: '#000000',
  },
}

SCSS

$custom: #05223f;
$custom-light: #505c74;
$custom-dark: #000000;

JSON

{
  "hex": "#05223f",
  "rgb": {
    "r": 5,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 210,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24876,
    "c": 0.06481,
    "h": 251.7
  },
  "luminance": 0.01535
}

Semantic roles & 50–950 ramp

primary

#05223F

secondary

#805020

accent

#942CFC

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #05223F

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

Preview Lab → · Contrast checker → · Palette generator →