#05283F#05283F

#05283F is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.058 H 242.6°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#05283F
RGB	rgb(5, 40, 63)
HSL	hsl(204, 85%, 13%)
HSV	hsv(204, 92%, 25%)
CMYK	cmyk(92.1%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(15.00, -2.39, -18.07)
CIE-LCH	lch(15.00, 18.23, 262.45°)
OKLab	oklab(26.58% -0.0266 -0.0513)
OKLCH	oklch(26.58% 0.058 242.6)
XYZ	xyz(1.7182, 1.9085, 4.9795)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05283F #3F1C05

analogous

#053F39 #05283F #050B3F

triadic

#05283F #3F0528 #283F05

tetradic

#05283F #39053F #3F1C05 #0B3F05

square

#05283F #39053F #3F1C05 #0B3F05

split-complementary

#05283F #3F050B #3F3905

monochromatic

#02121C #02121C #05283F #094C78 #0E70B0

Accessibility & contrast

On white

15.20

#05283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#05283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05283F

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05283F	#FFFFFF	#000000	##FFFFFF
##05283F	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2940

Deuteranopia (green-blind)

#15233F

Tritanopia (blue-blind)

#002E30

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #05283f;
/* rgb */ color: rgb(5, 40, 63);
/* oklch */ color: oklch(26.6% 0.058 242.6);

Tailwind

colors: {
  custom: {
    50: '#506174',
    500: '#05283f',
    950: '#000000',
  },
}

SCSS

$custom: #05283f;
$custom-light: #506174;
$custom-dark: #000000;

JSON

{
  "hex": "#05283f",
  "rgb": {
    "r": 5,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 203.793,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.26582,
    "c": 0.05781,
    "h": 242.6
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#05283F

secondary

#804620

accent

#7E2CFC

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020508

muted

#78797B

Preview Lab

Preview with #05283F

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

Preview Lab → · Contrast checker → · Palette generator →