#378F8B#378F8B

#378F8B is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.7% C 0.083 H 191.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#378F8B
RGB	rgb(55, 143, 139)
HSL	hsl(177, 44%, 39%)
HSV	hsv(177, 62%, 56%)
CMYK	cmyk(61.5%, 0%, 2.8%, 43.9%)
CIE-LAB	lab(54.36, -26.89, -5.69)
CIE-LCH	lch(54.36, 27.49, 191.94°)
OKLab	oklab(59.66% -0.0817 -0.0158)
OKLCH	oklch(59.66% 0.083 191)
XYZ	xyz(16.0562, 22.3195, 27.8830)
Luminance	0.2232 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378F8B #8F373B

analogous

#378F5F #378F8B #37678F

triadic

#378F8B #8B378F #8F8B37

tetradic

#378F8B #5F378F #8F373B #678F37

square

#378F8B #5F378F #8F373B #678F37

split-complementary

#378F8B #8F3767 #8F5F37

monochromatic

#153735 #266360 #378F8B #4AB9B4 #76CAC7

Accessibility & contrast

On white

3.84

#378F8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#378F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378F8B

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378F8B	#FFFFFF	#000000	##000000
##378F8B	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87888B

Deuteranopia (green-blind)

#797E8C

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378f8b;
/* rgb */ color: rgb(55, 143, 139);
/* oklch */ color: oklch(59.7% 0.083 191.0);

Tailwind

colors: {
  custom: {
    50: '#79b0ac',
    500: '#378f8b',
    950: '#000000',
  },
}

SCSS

$custom: #378f8b;
$custom-light: #79b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#378f8b",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 139
  },
  "hsl": {
    "h": 177.273,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59659,
    "c": 0.08324,
    "h": 191
  },
  "luminance": 0.22321
}

Semantic roles & 50–950 ramp

primary

#378F8B

secondary

#B36F72

accent

#5459D4

background

#F7FAFA

surface

#EEF5F4

border

#C9CFCE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #378F8B

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

Preview Lab → · Contrast checker → · Palette generator →