#378B8D#378B8D

#378B8D is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.7% C 0.080 H 197.4°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#378B8D
RGB	rgb(55, 139, 141)
HSL	hsl(181, 44%, 38%)
HSV	hsv(181, 61%, 55%)
CMYK	cmyk(61%, 1.4%, 0%, 44.7%)
CIE-LAB	lab(53.17, -24.29, -8.63)
CIE-LCH	lch(53.17, 25.78, 199.55°)
OKLab	oklab(58.71% -0.0763 -0.0239)
OKLCH	oklch(58.71% 0.08 197.4)
XYZ	xyz(15.6138, 21.1989, 28.4631)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B8D #8D3937

analogous

#378D64 #378B8D #37608D

triadic

#378B8D #8D378B #8B8D37

tetradic

#378B8D #64378D #8D3937 #608D37

square

#378B8D #64378D #8D3937 #608D37

split-complementary

#378B8D #8D3760 #8D6437

monochromatic

#153435 #266061 #378B8D #49B5B8 #75C7C9

Accessibility & contrast

On white

4.01

#378B8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#378B8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B8D

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B8D	#FFFFFF	#000000	##000000
##378B8D	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858D

Deuteranopia (green-blind)

#747B8E

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #378b8d;
/* rgb */ color: rgb(55, 139, 141);
/* oklch */ color: oklch(58.7% 0.080 197.4);

Tailwind

colors: {
  custom: {
    50: '#78adae',
    500: '#378b8d',
    950: '#000000',
  },
}

SCSS

$custom: #378b8d;
$custom-light: #78adae;
$custom-dark: #000000;

JSON

{
  "hex": "#378b8d",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 141
  },
  "hsl": {
    "h": 181.395,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58711,
    "c": 0.07998,
    "h": 197.4
  },
  "luminance": 0.21201
}

Semantic roles & 50–950 ramp

primary

#378B8D

secondary

#B26F6E

accent

#5754D4

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #378B8D

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

Preview Lab → · Contrast checker → · Palette generator →