#378C8D#378C8D

#378C8D is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.081 H 196.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#378C8D
RGB	rgb(55, 140, 141)
HSL	hsl(181, 44%, 38%)
HSV	hsv(181, 61%, 55%)
CMYK	cmyk(61%, 0.7%, 0%, 44.7%)
CIE-LAB	lab(53.48, -24.80, -8.16)
CIE-LCH	lch(53.48, 26.11, 198.21°)
OKLab	oklab(58.97% -0.0774 -0.0226)
OKLCH	oklch(58.97% 0.081 196.3)
XYZ	xyz(15.7593, 21.4898, 28.5116)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378C8D #8D3837

analogous

#378D63 #378C8D #37618D

triadic

#378C8D #8D378C #8C8D37

tetradic

#378C8D #63378D #8D3837 #618D37

square

#378C8D #63378D #8D3837 #618D37

split-complementary

#378C8D #8D3761 #8D6337

monochromatic

#153535 #266061 #378C8D #49B7B8 #75C8C9

Accessibility & contrast

On white

3.96

#378C8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#378C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378C8D

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378C8D	#FFFFFF	#000000	##000000
##378C8D	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83868D

Deuteranopia (green-blind)

#757B8E

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #378c8d;
/* rgb */ color: rgb(55, 140, 141);
/* oklch */ color: oklch(59.0% 0.081 196.3);

Tailwind

colors: {
  custom: {
    50: '#78aeae',
    500: '#378c8d',
    950: '#000000',
  },
}

SCSS

$custom: #378c8d;
$custom-light: #78aeae;
$custom-dark: #000000;

JSON

{
  "hex": "#378c8d",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 141
  },
  "hsl": {
    "h": 180.698,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58965,
    "c": 0.08068,
    "h": 196.3
  },
  "luminance": 0.21491
}

Semantic roles & 50–950 ramp

primary

#378C8D

secondary

#B26F6E

accent

#5654D4

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #378C8D

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

Preview Lab → · Contrast checker → · Palette generator →