#378D99#378D99

#378D99 is a mid, moderate teal. Relative luminance 0.222; OKLCH L 59.7% C 0.083 H 207.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#378D99
RGB	rgb(55, 141, 153)
HSL	hsl(187, 47%, 41%)
HSV	hsv(187, 64%, 60%)
CMYK	cmyk(64.1%, 7.8%, 0%, 40%)
CIE-LAB	lab(54.20, -21.70, -14.02)
CIE-LCH	lch(54.20, 25.83, 212.86°)
OKLab	oklab(59.68% -0.0732 -0.0389)
OKLCH	oklch(59.68% 0.083 207.9)
XYZ	xyz(16.8478, 22.1601, 33.5202)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378D99 #994337

analogous

#379974 #378D99 #375C99

triadic

#378D99 #99378D #8D9937

tetradic

#378D99 #743799 #994337 #5C9937

square

#378D99 #743799 #994337 #5C9937

split-complementary

#378D99 #99375C #997437

monochromatic

#173A3F #27646C #378D99 #4EB1BF #7BC5D0

Accessibility & contrast

On white

3.87

#378D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#378D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378D99

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378D99	#FFFFFF	#000000	##000000
##378D99	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889A

Deuteranopia (green-blind)

#737D99

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378d99;
/* rgb */ color: rgb(55, 141, 153);
/* oklch */ color: oklch(59.7% 0.083 207.9);

Tailwind

colors: {
  custom: {
    50: '#7aaeb7',
    500: '#378d99',
    950: '#000000',
  },
}

SCSS

$custom: #378d99;
$custom-light: #7aaeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#378d99",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 187.347,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59676,
    "c": 0.08292,
    "h": 207.9
  },
  "luminance": 0.22162
}

Semantic roles & 50–950 ramp

primary

#378D99

secondary

#B97C73

accent

#6151D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #378D99

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

Preview Lab → · Contrast checker → · Palette generator →