#05303A#05303A

#05303A is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.6% C 0.048 H 217.6°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#05303A
RGB	rgb(5, 48, 58)
HSL	hsl(191, 84%, 12%)
HSV	hsv(191, 91%, 23%)
CMYK	cmyk(91.4%, 17.2%, 0%, 77.3%)
CIE-LAB	lab(17.70, -9.96, -10.41)
CIE-LCH	lch(17.70, 14.40, 226.27°)
OKLab	oklab(28.65% -0.0378 -0.0291)
OKLCH	oklch(28.65% 0.048 217.6)
XYZ	xyz(1.8829, 2.4514, 4.3761)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05303A #3A0F05

analogous

#053A2A #05303A #05153A

triadic

#05303A #3A0530 #303A05

tetradic

#05303A #2A053A #3A0F05 #153A05

square

#05303A #2A053A #3A0F05 #153A05

split-complementary

#05303A #3A0515 #3A2A05

monochromatic

#02171C #02171C #05303A #0A5F72 #0F8DAB

Accessibility & contrast

On white

14.09

#05303A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#05303A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05303A

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05303A	#FFFFFF	#000000	##FFFFFF
##05303A	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2E3B

Deuteranopia (green-blind)

#22293A

Tritanopia (blue-blind)

#003333

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #05303a;
/* rgb */ color: rgb(5, 48, 58);
/* oklch */ color: oklch(28.6% 0.048 217.6);

Tailwind

colors: {
  custom: {
    50: '#506870',
    500: '#05303a',
    950: '#000000',
  },
}

SCSS

$custom: #05303a;
$custom-light: #506870;
$custom-dark: #000000;

JSON

{
  "hex": "#05303a",
  "rgb": {
    "r": 5,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 191.321,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.28649,
    "c": 0.04774,
    "h": 217.6
  },
  "luminance": 0.02452
}

Semantic roles & 50–950 ramp

primary

#05303A

secondary

#7B3120

accent

#542DFA

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #05303A

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

Preview Lab → · Contrast checker → · Palette generator →