#05182A#05182A

#05182A is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.4% C 0.044 H 248.9°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#05182A
RGB	rgb(5, 24, 42)
HSL	hsl(209, 79%, 9%)
HSV	hsv(209, 88%, 16%)
CMYK	cmyk(88.1%, 42.9%, 0%, 83.5%)
CIE-LAB	lab(7.70, -0.14, -14.52)
CIE-LCH	lch(7.70, 14.52, 269.45°)
OKLab	oklab(20.39% -0.0159 -0.0413)
OKLCH	oklch(20.39% 0.044 248.9)
XYZ	xyz(0.8070, 0.8526, 2.3121)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05182A #2A1705

analogous

#052A2A #05182A #05062A

triadic

#05182A #2A0518 #182A05

tetradic

#05182A #2A052A #2A1705 #062A05

square

#05182A #2A052A #2A1705 #062A05

split-complementary

#05182A #2A0506 #2A2A05

monochromatic

#03101B #03101B #05182A #0C3761 #125797

Accessibility & contrast

On white

17.94

#05182A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#05182A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05182A

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05182A	#FFFFFF	#000000	##FFFFFF
##05182A	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10192B

Deuteranopia (green-blind)

#0A152A

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #05182a;
/* rgb */ color: rgb(5, 24, 42);
/* oklch */ color: oklch(20.4% 0.044 248.9);

Tailwind

colors: {
  custom: {
    50: '#4a5463',
    500: '#05182a',
    950: '#000000',
  },
}

SCSS

$custom: #05182a;
$custom-light: #4a5463;
$custom-dark: #000000;

JSON

{
  "hex": "#05182a",
  "rgb": {
    "r": 5,
    "g": 24,
    "b": 42
  },
  "hsl": {
    "h": 209.189,
    "s": 78.723,
    "l": 9.216
  },
  "oklch": {
    "l": 0.20389,
    "c": 0.04423,
    "h": 248.9
  },
  "luminance": 0.00853
}

Semantic roles & 50–950 ramp

primary

#05182A

secondary

#6C441F

accent

#9133F5

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010205

muted

#777879

Preview Lab

Preview with #05182A

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

Preview Lab → · Contrast checker → · Palette generator →