#375E81#375E81

#375E81 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.9% C 0.072 H 247.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#375E81
RGB	rgb(55, 94, 129)
HSL	hsl(208, 40%, 36%)
HSV	hsv(208, 57%, 51%)
CMYK	cmyk(57.4%, 27.1%, 0%, 49.4%)
CIE-LAB	lab(38.55, -2.79, -23.78)
CIE-LCH	lch(38.55, 23.94, 263.32°)
OKLab	oklab(46.88% -0.0282 -0.0667)
OKLCH	oklch(46.88% 0.072 247.1)
XYZ	xyz(9.5393, 10.4018, 22.2697)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375E81 #815A37

analogous

#37817F #375E81 #373981

triadic

#375E81 #81375E #5E8137

tetradic

#375E81 #7F3781 #815A37 #398137

square

#375E81 #7F3781 #815A37 #398137

split-complementary

#375E81 #813739 #817F37

monochromatic

#121F2B #253F56 #375E81 #497DAC #709BC2

Accessibility & contrast

On white

6.82

#375E81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#375E81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375E81

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375E81	#FFFFFF	#000000	##FFFFFF
##375E81	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5F83

Deuteranopia (green-blind)

#455780

Tritanopia (blue-blind)

#00666A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375e81;
/* rgb */ color: rgb(55, 94, 129);
/* oklch */ color: oklch(46.9% 0.072 247.1);

Tailwind

colors: {
  custom: {
    50: '#748ba5',
    500: '#375e81',
    950: '#000000',
  },
}

SCSS

$custom: #375e81;
$custom-light: #748ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#375e81",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 129
  },
  "hsl": {
    "h": 208.378,
    "s": 40.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46879,
    "c": 0.07239,
    "h": 247.1
  },
  "luminance": 0.10403
}

Semantic roles & 50–950 ramp

primary

#375E81

secondary

#AB8869

accent

#9158D0

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #375E81

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

Preview Lab → · Contrast checker → · Palette generator →