#05303C#05303C

#05303C is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.8% C 0.049 H 221.5°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#05303C
RGB	rgb(5, 48, 60)
HSL	hsl(193, 85%, 13%)
HSV	hsv(193, 92%, 24%)
CMYK	cmyk(91.7%, 20%, 0%, 76.5%)
CIE-LAB	lab(17.79, -9.13, -11.64)
CIE-LCH	lch(17.79, 14.80, 231.88°)
OKLab	oklab(28.76% -0.0369 -0.0326)
OKLCH	oklch(28.76% 0.049 221.5)
XYZ	xyz(1.9348, 2.4722, 4.6493)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05303C #3C1105

analogous

#053C2C #05303C #05143C

triadic

#05303C #3C0530 #303C05

tetradic

#05303C #2C053C #3C1105 #143C05

square

#05303C #2C053C #3C1105 #143C05

split-complementary

#05303C #3C0514 #3C2C05

monochromatic

#02171C #02171C #05303C #0A5D74 #0E8AAD

Accessibility & contrast

On white

14.05

#05303C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#05303C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05303C

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05303C	#FFFFFF	#000000	##FFFFFF
##05303C	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3D

Deuteranopia (green-blind)

#22293C

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #05303c;
/* rgb */ color: rgb(5, 48, 60);
/* oklch */ color: oklch(28.8% 0.049 221.5);

Tailwind

colors: {
  custom: {
    50: '#506871',
    500: '#05303c',
    950: '#000000',
  },
}

SCSS

$custom: #05303c;
$custom-light: #506871;
$custom-dark: #000000;

JSON

{
  "hex": "#05303c",
  "rgb": {
    "r": 5,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 193.091,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.28757,
    "c": 0.04924,
    "h": 221.5
  },
  "luminance": 0.02472
}

Semantic roles & 50–950 ramp

primary

#05303C

secondary

#7D3420

accent

#5A2DFB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #05303C

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

Preview Lab → · Contrast checker → · Palette generator →