#378B99#378B99

#378B99 is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.2% C 0.082 H 210.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#378B99
RGB	rgb(55, 139, 153)
HSL	hsl(189, 47%, 41%)
HSV	hsv(189, 64%, 60%)
CMYK	cmyk(64.1%, 9.2%, 0%, 40%)
CIE-LAB	lab(53.57, -20.65, -14.96)
CIE-LCH	lch(53.57, 25.50, 215.92°)
OKLab	oklab(59.17% -0.071 -0.0415)
OKLCH	oklch(59.17% 0.082 210.3)
XYZ	xyz(16.5555, 21.5756, 33.4228)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B99 #994537

analogous

#379976 #378B99 #375A99

triadic

#378B99 #99378B #8B9937

tetradic

#378B99 #763799 #994537 #5A9937

square

#378B99 #763799 #994537 #5A9937

split-complementary

#378B99 #99375A #997637

monochromatic

#17393F #27626C #378B99 #4EAFBF #7BC3D0

Accessibility & contrast

On white

3.95

#378B99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#378B99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B99

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B99	#FFFFFF	#000000	##000000
##378B99	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F869A

Deuteranopia (green-blind)

#717B99

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #378b99;
/* rgb */ color: rgb(55, 139, 153);
/* oklch */ color: oklch(59.2% 0.082 210.3);

Tailwind

colors: {
  custom: {
    50: '#79adb7',
    500: '#378b99',
    950: '#000000',
  },
}

SCSS

$custom: #378b99;
$custom-light: #79adb7;
$custom-dark: #000000;

JSON

{
  "hex": "#378b99",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 153
  },
  "hsl": {
    "h": 188.571,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59174,
    "c": 0.08228,
    "h": 210.3
  },
  "luminance": 0.21577
}

Semantic roles & 50–950 ramp

primary

#378B99

secondary

#B97D73

accent

#6451D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #378B99

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

Preview Lab → · Contrast checker → · Palette generator →