#05313B#05313B

#05313B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.0% C 0.048 H 217.2°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#05313B
RGB	rgb(5, 49, 59)
HSL	hsl(191, 84%, 13%)
HSV	hsv(191, 92%, 23%)
CMYK	cmyk(91.5%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.12, -10.18, -10.45)
CIE-LCH	lch(18.12, 14.59, 225.75°)
OKLab	oklab(29% -0.0385 -0.0292)
OKLCH	oklch(29% 0.048 217.2)
XYZ	xyz(1.9500, 2.5444, 4.5252)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05313B #3B0F05

analogous

#053B2A #05313B #05163B

triadic

#05313B #3B0531 #313B05

tetradic

#05313B #2A053B #3B0F05 #163B05

square

#05313B #2A053B #3B0F05 #163B05

split-complementary

#05313B #3B0516 #3B2A05

monochromatic

#02171C #02171C #05313B #0A6073 #0F8FAC

Accessibility & contrast

On white

13.92

#05313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#05313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05313B

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05313B	#FFFFFF	#000000	##FFFFFF
##05313B	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2F3C

Deuteranopia (green-blind)

#232A3B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #05313b;
/* rgb */ color: rgb(5, 49, 59);
/* oklch */ color: oklch(29.0% 0.048 217.2);

Tailwind

colors: {
  custom: {
    50: '#506971',
    500: '#05313b',
    950: '#000000',
  },
}

SCSS

$custom: #05313b;
$custom-light: #506971;
$custom-dark: #000000;

JSON

{
  "hex": "#05313b",
  "rgb": {
    "r": 5,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 191.111,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.29003,
    "c": 0.04835,
    "h": 217.2
  },
  "luminance": 0.02545
}

Semantic roles & 50–950 ramp

primary

#05313B

secondary

#7C3120

accent

#532DFB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #05313B

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

Preview Lab → · Contrast checker → · Palette generator →