#305666#305666

#305666 is a dark, muted cyan. Relative luminance 0.082; OKLCH L 43.2% C 0.051 H 227.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#305666
RGB	rgb(48, 86, 102)
HSL	hsl(198, 36%, 29%)
HSV	hsv(198, 53%, 40%)
CMYK	cmyk(52.9%, 15.7%, 0%, 60%)
CIE-LAB	lab(34.48, -8.58, -13.40)
CIE-LCH	lch(34.48, 15.91, 237.39°)
OKLab	oklab(43.17% -0.0345 -0.0371)
OKLCH	oklch(43.17% 0.051 227.1)
XYZ	xyz(6.9441, 8.2427, 13.7929)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305666 #664030

analogous

#30665B #305666 #303B66

triadic

#305666 #663056 #566630

tetradic

#305666 #5B3066 #664030 #3B6630

square

#305666 #5B3066 #664030 #3B6630

split-complementary

#305666 #66303B #665B30

monochromatic

#0A1215 #1C333C #305666 #447990 #5D9AB3

Accessibility & contrast

On white

7.93

#305666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#305666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305666

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305666	#FFFFFF	#000000	##FFFFFF
##305666	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5467

Deuteranopia (green-blind)

#464E66

Tritanopia (blue-blind)

#125B5B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #305666;
/* rgb */ color: rgb(48, 86, 102);
/* oklch */ color: oklch(43.2% 0.051 227.1);

Tailwind

colors: {
  custom: {
    50: '#6c8591',
    500: '#305666',
    950: '#000000',
  },
}

SCSS

$custom: #305666;
$custom-light: #6c8591;
$custom-dark: #000000;

JSON

{
  "hex": "#305666",
  "rgb": {
    "r": 48,
    "g": 86,
    "b": 102
  },
  "hsl": {
    "h": 197.778,
    "s": 36,
    "l": 29.412
  },
  "oklch": {
    "l": 0.43172,
    "c": 0.05073,
    "h": 227.1
  },
  "luminance": 0.08243
}

Semantic roles & 50–950 ramp

primary

#305666

secondary

#976C5A

accent

#7D5CCC

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#070B0C

muted

#7A7C7D

Preview Lab

Preview with #305666

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

Preview Lab → · Contrast checker → · Palette generator →