#06303B#06303B

#06303B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.7% C 0.048 H 219.9°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#06303B
RGB	rgb(6, 48, 59)
HSL	hsl(192, 82%, 13%)
HSV	hsv(192, 90%, 23%)
CMYK	cmyk(89.8%, 18.6%, 0%, 76.9%)
CIE-LAB	lab(17.77, -9.38, -10.98)
CIE-LCH	lch(17.77, 14.44, 229.49°)
OKLab	oklab(28.74% -0.0367 -0.0307)
OKLCH	oklch(28.74% 0.048 219.9)
XYZ	xyz(1.9211, 2.4682, 4.5120)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#06303B #3B1106

analogous

#063B2B #06303B #06153B

triadic

#06303B #3B0630 #303B06

tetradic

#06303B #2B063B #3B1106 #153B06

square

#06303B #2B063B #3B1106 #153B06

split-complementary

#06303B #3B0615 #3B2B06

monochromatic

#03171C #03171C #06303B #0C5D73 #118AAA

Accessibility & contrast

On white

14.06

#06303B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#06303B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #06303B

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##06303B	#FFFFFF	#000000	##FFFFFF
##06303B	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292E3C

Deuteranopia (green-blind)

#22293B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #06303b;
/* rgb */ color: rgb(6, 48, 59);
/* oklch */ color: oklch(28.7% 0.048 219.9);

Tailwind

colors: {
  custom: {
    50: '#506871',
    500: '#06303b',
    950: '#000000',
  },
}

SCSS

$custom: #06303b;
$custom-light: #506871;
$custom-dark: #000000;

JSON

{
  "hex": "#06303b",
  "rgb": {
    "r": 6,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 192.453,
    "s": 81.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.28735,
    "c": 0.0479,
    "h": 219.9
  },
  "luminance": 0.02468
}

Semantic roles & 50–950 ramp

primary

#06303B

secondary

#7B3422

accent

#5930F8

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #06303B

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

Preview Lab → · Contrast checker → · Palette generator →