#37818C#37818C

#37818C is a mid, moderate teal. Relative luminance 0.184; OKLCH L 56.1% C 0.074 H 208.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#37818C
RGB	rgb(55, 129, 140)
HSL	hsl(188, 44%, 38%)
HSV	hsv(188, 61%, 55%)
CMYK	cmyk(60.7%, 7.9%, 0%, 45.1%)
CIE-LAB	lab(49.98, -19.37, -12.83)
CIE-LCH	lch(49.98, 23.23, 213.52°)
OKLab	oklab(56.13% -0.0654 -0.0355)
OKLCH	oklch(56.13% 0.074 208.5)
XYZ	xyz(14.1575, 18.4048, 27.6122)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37818C #8C4237

analogous

#378C6C #37818C #37568C

triadic

#37818C #8C3781 #818C37

tetradic

#37818C #6C378C #8C4237 #568C37

square

#37818C #6C378C #8C4237 #568C37

split-complementary

#37818C #8C3756 #8C6C37

monochromatic

#143034 #265960 #37818C #49A9B7 #75BEC9

Accessibility & contrast

On white

4.49

#37818C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#37818C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37818C

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37818C	#FFFFFF	#000000	##000000
##37818C	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777C8D

Deuteranopia (green-blind)

#6A738C

Tritanopia (blue-blind)

#008684

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #37818c;
/* rgb */ color: rgb(55, 129, 140);
/* oklch */ color: oklch(56.1% 0.074 208.5);

Tailwind

colors: {
  custom: {
    50: '#77a5ad',
    500: '#37818c',
    950: '#000000',
  },
}

SCSS

$custom: #37818c;
$custom-light: #77a5ad;
$custom-dark: #000000;

JSON

{
  "hex": "#37818c",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 140
  },
  "hsl": {
    "h": 187.765,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.56134,
    "c": 0.07445,
    "h": 208.5
  },
  "luminance": 0.18406
}

Semantic roles & 50–950 ramp

primary

#37818C

secondary

#B1766D

accent

#6554D3

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #37818C

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

Preview Lab → · Contrast checker → · Palette generator →