#37748D#37748D

#37748D is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.9% C 0.074 H 227.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#37748D
RGB	rgb(55, 116, 141)
HSL	hsl(197, 44%, 38%)
HSV	hsv(197, 61%, 55%)
CMYK	cmyk(61%, 17.7%, 0%, 44.7%)
CIE-LAB	lab(45.94, -11.86, -19.58)
CIE-LCH	lch(45.94, 22.89, 238.79°)
OKLab	oklab(52.91% -0.05 -0.0546)
OKLCH	oklch(52.91% 0.074 227.5)
XYZ	xyz(12.6268, 15.2249, 27.4674)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37748D #8D5037

analogous

#378D7B #37748D #37498D

triadic

#37748D #8D3774 #748D37

tetradic

#37748D #7B378D #8D5037 #498D37

square

#37748D #7B378D #8D5037 #498D37

split-complementary

#37748D #8D3749 #8D7B37

monochromatic

#152C35 #265061 #37748D #4998B8 #75B1C9

Accessibility & contrast

On white

5.19

#37748D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#37748D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37748D

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37748D	#FFFFFF	#000000	##FFFFFF
##37748D	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728E

Deuteranopia (green-blind)

#5B698D

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #37748d;
/* rgb */ color: rgb(55, 116, 141);
/* oklch */ color: oklch(52.9% 0.074 227.5);

Tailwind

colors: {
  custom: {
    50: '#769cae',
    500: '#37748d',
    950: '#000000',
  },
}

SCSS

$custom: #37748d;
$custom-light: #769cae;
$custom-dark: #000000;

JSON

{
  "hex": "#37748d",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 141
  },
  "hsl": {
    "h": 197.442,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52908,
    "c": 0.07401,
    "h": 227.5
  },
  "luminance": 0.15226
}

Semantic roles & 50–950 ramp

primary

#37748D

secondary

#B2826E

accent

#7954D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37748D

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

Preview Lab → · Contrast checker → · Palette generator →