#05283C#05283C

#05283C is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.054 H 238.9°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#05283C
RGB	rgb(5, 40, 60)
HSL	hsl(202, 85%, 13%)
HSV	hsv(202, 92%, 24%)
CMYK	cmyk(91.7%, 33.3%, 0%, 76.5%)
CIE-LAB	lab(14.82, -3.74, -16.26)
CIE-LCH	lch(14.82, 16.69, 257.06°)
OKLab	oklab(26.38% -0.0277 -0.046)
OKLCH	oklch(26.38% 0.054 238.9)
XYZ	xyz(1.6367, 1.8759, 4.5499)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05283C #3C1905

analogous

#053C34 #05283C #050D3C

triadic

#05283C #3C0528 #283C05

tetradic

#05283C #34053C #3C1905 #0D3C05

square

#05283C #34053C #3C1905 #0D3C05

split-complementary

#05283C #3C050D #3C3405

monochromatic

#02131C #02131C #05283C #0A4E74 #0E73AD

Accessibility & contrast

On white

15.27

#05283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#05283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05283C

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05283C	#FFFFFF	#000000	##FFFFFF
##05283C	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E283D

Deuteranopia (green-blind)

#17233C

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #05283c;
/* rgb */ color: rgb(5, 40, 60);
/* oklch */ color: oklch(26.4% 0.054 238.9);

Tailwind

colors: {
  custom: {
    50: '#4f6171',
    500: '#05283c',
    950: '#000000',
  },
}

SCSS

$custom: #05283c;
$custom-light: #4f6171;
$custom-dark: #000000;

JSON

{
  "hex": "#05283c",
  "rgb": {
    "r": 5,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 201.818,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.26383,
    "c": 0.05376,
    "h": 238.9
  },
  "luminance": 0.01876
}

Semantic roles & 50–950 ramp

primary

#05283C

secondary

#7D4220

accent

#782DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #05283C

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

Preview Lab → · Contrast checker → · Palette generator →