#375666#375666

#375666 is a dark, muted cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.045 H 231.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#375666
RGB	rgb(55, 86, 102)
HSL	hsl(200, 30%, 31%)
HSV	hsv(200, 46%, 40%)
CMYK	cmyk(46.1%, 15.7%, 0%, 60%)
CIE-LAB	lab(34.86, -6.66, -12.80)
CIE-LCH	lch(34.86, 14.43, 242.50°)
OKLab	oklab(43.57% -0.028 -0.0354)
OKLCH	oklch(43.57% 0.045 231.7)
XYZ	xyz(7.3008, 8.4266, 13.8096)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375666 #664737

analogous

#37665E #375666 #373E66

triadic

#375666 #663756 #566637

tetradic

#375666 #5E3766 #664737 #3E6637

square

#375666 #5E3766 #664737 #3E6637

split-complementary

#375666 #66373E #665E37

monochromatic

#0C1316 #22343E #375666 #4C788E #6997AE

Accessibility & contrast

On white

7.82

#375666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#375666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #375666

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375666	#FFFFFF	#000000	##FFFFFF
##375666	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5567

Deuteranopia (green-blind)

#475066

Tritanopia (blue-blind)

#235A5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #375666;
/* rgb */ color: rgb(55, 86, 102);
/* oklch */ color: oklch(43.6% 0.045 231.7);

Tailwind

colors: {
  custom: {
    50: '#708591',
    500: '#375666',
    950: '#000000',
  },
}

SCSS

$custom: #375666;
$custom-light: #708591;
$custom-dark: #000000;

JSON

{
  "hex": "#375666",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 102
  },
  "hsl": {
    "h": 200.426,
    "s": 29.936,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43569,
    "c": 0.0451,
    "h": 231.7
  },
  "luminance": 0.08427
}

Semantic roles & 50–950 ramp

primary

#375666

secondary

#967462

accent

#8462C6

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#080B0C

muted

#7B7C7D

Preview Lab

Preview with #375666

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

Preview Lab → · Contrast checker → · Palette generator →