#05223A#05223A

#05223A is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.5% C 0.057 H 247.5°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#05223A
RGB	rgb(5, 34, 58)
HSL	hsl(207, 84%, 12%)
HSV	hsv(207, 91%, 23%)
CMYK	cmyk(91.4%, 41.4%, 0%, 77.3%)
CIE-LAB	lab(12.49, -0.30, -18.53)
CIE-LCH	lch(12.49, 18.53, 269.08°)
OKLab	oklab(24.5% -0.0219 -0.0528)
OKLCH	oklch(24.5% 0.057 247.5)
XYZ	xyz(1.3980, 1.4816, 4.2145)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05223A #3A1D05

analogous

#053A38 #05223A #05073A

triadic

#05223A #3A0522 #223A05

tetradic

#05223A #38053A #3A1D05 #073A05

square

#05223A #38053A #3A1D05 #073A05

split-complementary

#05223A #3A0507 #3A3805

monochromatic

#02111C #02111C #05223A #0A4372 #0F64AB

Accessibility & contrast

On white

16.20

#05223A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#05223A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05223A

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05223A	#FFFFFF	#000000	##FFFFFF
##05223A	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17233B

Deuteranopia (green-blind)

#0F1E3A

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #05223a;
/* rgb */ color: rgb(5, 34, 58);
/* oklch */ color: oklch(24.5% 0.057 247.5);

Tailwind

colors: {
  custom: {
    50: '#4f5c70',
    500: '#05223a',
    950: '#000000',
  },
}

SCSS

$custom: #05223a;
$custom-light: #4f5c70;
$custom-dark: #000000;

JSON

{
  "hex": "#05223a",
  "rgb": {
    "r": 5,
    "g": 34,
    "b": 58
  },
  "hsl": {
    "h": 207.17,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.24501,
    "c": 0.05714,
    "h": 247.5
  },
  "luminance": 0.01482
}

Semantic roles & 50–950 ramp

primary

#05223A

secondary

#7B4920

accent

#8A2DFA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #05223A

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

Preview Lab → · Contrast checker → · Palette generator →