#378E99#378E99

#378E99 is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.083 H 206.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#378E99
RGB	rgb(55, 142, 153)
HSL	hsl(187, 47%, 41%)
HSV	hsv(187, 64%, 60%)
CMYK	cmyk(64.1%, 7.2%, 0%, 40%)
CIE-LAB	lab(54.51, -22.22, -13.55)
CIE-LCH	lch(54.51, 26.03, 211.36°)
OKLab	oklab(59.93% -0.0743 -0.0375)
OKLCH	oklch(59.93% 0.083 206.8)
XYZ	xyz(16.9959, 22.4563, 33.5696)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378E99 #994237

analogous

#379973 #378E99 #375D99

triadic

#378E99 #99378E #8E9937

tetradic

#378E99 #733799 #994237 #5D9937

square

#378E99 #733799 #994237 #5D9937

split-complementary

#378E99 #99375D #997337

monochromatic

#173A3F #27646C #378E99 #4EB3BF #7BC6D0

Accessibility & contrast

On white

3.82

#378E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#378E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378E99

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378E99	#FFFFFF	#000000	##000000
##378E99	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83899A

Deuteranopia (green-blind)

#747E99

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378e99;
/* rgb */ color: rgb(55, 142, 153);
/* oklch */ color: oklch(59.9% 0.083 206.8);

Tailwind

colors: {
  custom: {
    50: '#7aafb7',
    500: '#378e99',
    950: '#000000',
  },
}

SCSS

$custom: #378e99;
$custom-light: #7aafb7;
$custom-dark: #000000;

JSON

{
  "hex": "#378e99",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 153
  },
  "hsl": {
    "h": 186.735,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59926,
    "c": 0.08329,
    "h": 206.8
  },
  "luminance": 0.22458
}

Semantic roles & 50–950 ramp

primary

#378E99

secondary

#B97B73

accent

#6051D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #378E99

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

Preview Lab → · Contrast checker → · Palette generator →