#37738D#37738D

#37738D is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.074 H 228.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#37738D
RGB	rgb(55, 115, 141)
HSL	hsl(198, 44%, 38%)
HSV	hsv(198, 61%, 55%)
CMYK	cmyk(61%, 18.4%, 0%, 44.7%)
CIE-LAB	lab(45.63, -11.29, -20.06)
CIE-LCH	lch(45.63, 23.02, 240.63°)
OKLab	oklab(52.66% -0.0488 -0.0559)
OKLCH	oklch(52.66% 0.074 228.9)
XYZ	xyz(12.5121, 14.9956, 27.4292)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37738D #8D5137

analogous

#378D7C #37738D #37488D

triadic

#37738D #8D3773 #738D37

tetradic

#37738D #7C378D #8D5137 #488D37

square

#37738D #7C378D #8D5137 #488D37

split-complementary

#37738D #8D3748 #8D7C37

monochromatic

#152B35 #264F61 #37738D #4997B8 #75B0C9

Accessibility & contrast

On white

5.25

#37738D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#37738D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37738D

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37738D	#FFFFFF	#000000	##FFFFFF
##37738D	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718E

Deuteranopia (green-blind)

#59688D

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37738d;
/* rgb */ color: rgb(55, 115, 141);
/* oklch */ color: oklch(52.7% 0.074 228.9);

Tailwind

colors: {
  custom: {
    50: '#769bae',
    500: '#37738d',
    950: '#000000',
  },
}

SCSS

$custom: #37738d;
$custom-light: #769bae;
$custom-dark: #000000;

JSON

{
  "hex": "#37738d",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 198.14,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52659,
    "c": 0.07426,
    "h": 228.9
  },
  "luminance": 0.14997
}

Semantic roles & 50–950 ramp

primary

#37738D

secondary

#B2826E

accent

#7B54D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37738D

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

Preview Lab → · Contrast checker → · Palette generator →