#37758D#37758D

#37758D is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.074 H 226.1°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#37758D
RGB	rgb(55, 117, 141)
HSL	hsl(197, 44%, 38%)
HSV	hsv(197, 61%, 55%)
CMYK	cmyk(61%, 17%, 0%, 44.7%)
CIE-LAB	lab(46.25, -12.43, -19.10)
CIE-LCH	lch(46.25, 22.79, 236.94°)
OKLab	oklab(53.16% -0.0512 -0.0532)
OKLCH	oklch(53.16% 0.074 226.1)
XYZ	xyz(12.7427, 15.4567, 27.5060)
Luminance	0.1546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37758D #8D4F37

analogous

#378D7A #37758D #374A8D

triadic

#37758D #8D3775 #758D37

tetradic

#37758D #7A378D #8D4F37 #4A8D37

square

#37758D #7A378D #8D4F37 #4A8D37

split-complementary

#37758D #8D374A #8D7A37

monochromatic

#152C35 #265061 #37758D #4999B8 #75B2C9

Accessibility & contrast

On white

5.13

#37758D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#37758D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37758D

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37758D	#FFFFFF	#000000	##FFFFFF
##37758D	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68738E

Deuteranopia (green-blind)

#5C6A8D

Tritanopia (blue-blind)

#007C7D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #37758d;
/* rgb */ color: rgb(55, 117, 141);
/* oklch */ color: oklch(53.2% 0.074 226.1);

Tailwind

colors: {
  custom: {
    50: '#769cae',
    500: '#37758d',
    950: '#000000',
  },
}

SCSS

$custom: #37758d;
$custom-light: #769cae;
$custom-dark: #000000;

JSON

{
  "hex": "#37758d",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 196.744,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.53157,
    "c": 0.07381,
    "h": 226.1
  },
  "luminance": 0.15458
}

Semantic roles & 50–950 ramp

primary

#37758D

secondary

#B2816E

accent

#7854D4

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37758D

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

Preview Lab → · Contrast checker → · Palette generator →