#05182D#05182D

#05182D is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.049 H 252.3°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#05182D
RGB	rgb(5, 24, 45)
HSL	hsl(212, 80%, 10%)
HSV	hsv(212, 89%, 18%)
CMYK	cmyk(88.9%, 46.7%, 0%, 82.4%)
CIE-LAB	lab(7.90, 1.27, -16.42)
CIE-LCH	lch(7.90, 16.47, 274.42°)
OKLab	oklab(20.62% -0.0149 -0.0468)
OKLCH	oklch(20.62% 0.049 252.3)
XYZ	xyz(0.8627, 0.8749, 2.6055)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05182D #2D1A05

analogous

#052C2D #05182D #06052D

triadic

#05182D #2D0518 #182D05

tetradic

#05182D #2D052C #2D1A05 #052D06

square

#05182D #2D052C #2D1A05 #052D06

split-complementary

#05182D #2D0605 #2C2D05

monochromatic

#030F1C #030F1C #05182D #0B3564 #11539B

Accessibility & contrast

On white

17.87

#05182D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#05182D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05182D

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05182D	#FFFFFF	#000000	##FFFFFF
##05182D	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E192E

Deuteranopia (green-blind)

#08162D

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #05182d;
/* rgb */ color: rgb(5, 24, 45);
/* oklch */ color: oklch(20.6% 0.049 252.3);

Tailwind

colors: {
  custom: {
    50: '#4b5466',
    500: '#05182d',
    950: '#000000',
  },
}

SCSS

$custom: #05182d;
$custom-light: #4b5466;
$custom-dark: #000000;

JSON

{
  "hex": "#05182d",
  "rgb": {
    "r": 5,
    "g": 24,
    "b": 45
  },
  "hsl": {
    "h": 211.5,
    "s": 80,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20616,
    "c": 0.04913,
    "h": 252.3
  },
  "luminance": 0.00875
}

Semantic roles & 50–950 ramp

primary

#05182D

secondary

#6F491F

accent

#9931F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #05182D

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

Preview Lab → · Contrast checker → · Palette generator →