#05283A#05283A

#05283A is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.3% C 0.051 H 236.1°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#05283A
RGB	rgb(5, 40, 58)
HSL	hsl(200, 84%, 12%)
HSV	hsv(200, 91%, 23%)
CMYK	cmyk(91.4%, 31%, 0%, 77.3%)
CIE-LAB	lab(14.71, -4.62, -15.04)
CIE-LCH	lch(14.71, 15.74, 252.91°)
OKLab	oklab(26.26% -0.0286 -0.0425)
OKLCH	oklch(26.26% 0.051 236.1)
XYZ	xyz(1.5848, 1.8551, 4.2767)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05283A #3A1705

analogous

#053A31 #05283A #050E3A

triadic

#05283A #3A0528 #283A05

tetradic

#05283A #31053A #3A1705 #0E3A05

square

#05283A #31053A #3A1705 #0E3A05

split-complementary

#05283A #3A050E #3A3105

monochromatic

#02131C #02131C #05283A #0A4F72 #0F76AB

Accessibility & contrast

On white

15.32

#05283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#05283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05283A

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05283A	#FFFFFF	#000000	##FFFFFF
##05283A	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F283B

Deuteranopia (green-blind)

#18233A

Tritanopia (blue-blind)

#002D2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #05283a;
/* rgb */ color: rgb(5, 40, 58);
/* oklch */ color: oklch(26.3% 0.051 236.1);

Tailwind

colors: {
  custom: {
    50: '#4f6170',
    500: '#05283a',
    950: '#000000',
  },
}

SCSS

$custom: #05283a;
$custom-light: #4f6170;
$custom-dark: #000000;

JSON

{
  "hex": "#05283a",
  "rgb": {
    "r": 5,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 200.377,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.26255,
    "c": 0.05121,
    "h": 236.1
  },
  "luminance": 0.01855
}

Semantic roles & 50–950 ramp

primary

#05283A

secondary

#7B3F20

accent

#732DFA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #05283A

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

Preview Lab → · Contrast checker → · Palette generator →