#378C81#378C81

#378C81 is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.5% C 0.083 H 183.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#378C81
RGB	rgb(55, 140, 129)
HSL	hsl(172, 44%, 38%)
HSV	hsv(172, 61%, 55%)
CMYK	cmyk(60.7%, 0%, 7.9%, 45.1%)
CIE-LAB	lab(53.12, -28.22, -1.75)
CIE-LCH	lch(53.12, 28.28, 183.55°)
OKLab	oklab(58.55% -0.083 -0.0052)
OKLCH	oklch(58.55% 0.083 183.6)
XYZ	xyz(14.9143, 21.1518, 24.0613)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378C81 #8C3742

analogous

#378C56 #378C81 #376C8C

triadic

#378C81 #81378C #8C8137

tetradic

#378C81 #56378C #8C3742 #6C8C37

square

#378C81 #56378C #8C3742 #6C8C37

split-complementary

#378C81 #8C376C #8C5637

monochromatic

#143430 #266059 #378C81 #49B7A9 #75C9BE

Accessibility & contrast

On white

4.01

#378C81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#378C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378C81

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378C81	#FFFFFF	#000000	##000000
##378C81	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868481

Deuteranopia (green-blind)

#797B82

Tritanopia (blue-blind)

#008F89

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #378c81;
/* rgb */ color: rgb(55, 140, 129);
/* oklch */ color: oklch(58.5% 0.083 183.6);

Tailwind

colors: {
  custom: {
    50: '#77aea5',
    500: '#378c81',
    950: '#000000',
  },
}

SCSS

$custom: #378c81;
$custom-light: #77aea5;
$custom-dark: #000000;

JSON

{
  "hex": "#378c81",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 129
  },
  "hsl": {
    "h": 172.235,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.58547,
    "c": 0.08318,
    "h": 183.6
  },
  "luminance": 0.21153
}

Semantic roles & 50–950 ramp

primary

#378C81

secondary

#B16D76

accent

#5465D3

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #378C81

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

Preview Lab → · Contrast checker → · Palette generator →