#37738C#37738C

#37738C is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.6% C 0.073 H 227.9°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#37738C
RGB	rgb(55, 115, 140)
HSL	hsl(198, 44%, 38%)
HSV	hsv(198, 61%, 55%)
CMYK	cmyk(60.7%, 17.9%, 0%, 45.1%)
CIE-LAB	lab(45.59, -11.61, -19.53)
CIE-LCH	lch(45.59, 22.72, 239.26°)
OKLab	oklab(52.61% -0.0492 -0.0544)
OKLCH	oklch(52.61% 0.073 227.9)
XYZ	xyz(12.4381, 14.9659, 27.0391)
Luminance	0.1497 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37738C #8C5037

analogous

#378C7A #37738C #37488C

triadic

#37738C #8C3773 #738C37

tetradic

#37738C #7A378C #8C5037 #488C37

square

#37738C #7A378C #8C5037 #488C37

split-complementary

#37738C #8C3748 #8C7A37

monochromatic

#142B34 #264F60 #37738C #4997B7 #75B0C9

Accessibility & contrast

On white

5.26

#37738C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#37738C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37738C

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37738C	#FFFFFF	#000000	##FFFFFF
##37738C	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66718D

Deuteranopia (green-blind)

#5A688C

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37738c;
/* rgb */ color: rgb(55, 115, 140);
/* oklch */ color: oklch(52.6% 0.073 227.9);

Tailwind

colors: {
  custom: {
    50: '#769bad',
    500: '#37738c',
    950: '#000000',
  },
}

SCSS

$custom: #37738c;
$custom-light: #769bad;
$custom-dark: #000000;

JSON

{
  "hex": "#37738c",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 197.647,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.52613,
    "c": 0.07339,
    "h": 227.9
  },
  "luminance": 0.14967
}

Semantic roles & 50–950 ramp

primary

#37738C

secondary

#B1816D

accent

#7A54D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37738C

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

Preview Lab → · Contrast checker → · Palette generator →