#378E8A#378E8A

#378E8A is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.083 H 190.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#378E8A
RGB	rgb(55, 142, 138)
HSL	hsl(177, 44%, 39%)
HSV	hsv(177, 61%, 56%)
CMYK	cmyk(61.3%, 0%, 2.8%, 44.3%)
CIE-LAB	lab(54.02, -26.68, -5.62)
CIE-LCH	lch(54.02, 27.27, 191.90°)
OKLab	oklab(59.37% -0.0811 -0.0157)
OKLCH	oklch(59.37% 0.083 190.9)
XYZ	xyz(15.8340, 21.9916, 27.4502)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378E8A #8E373B

analogous

#378E5E #378E8A #37668E

triadic

#378E8A #8A378E #8E8A37

tetradic

#378E8A #5E378E #8E373B #668E37

square

#378E8A #5E378E #8E373B #668E37

split-complementary

#378E8A #8E3766 #8E5E37

monochromatic

#153634 #26625F #378E8A #49B9B4 #76CAC6

Accessibility & contrast

On white

3.89

#378E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#378E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378E8A

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378E8A	#FFFFFF	#000000	##000000
##378E8A	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#787D8B

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378e8a;
/* rgb */ color: rgb(55, 142, 138);
/* oklch */ color: oklch(59.4% 0.083 190.9);

Tailwind

colors: {
  custom: {
    50: '#78afac',
    500: '#378e8a',
    950: '#000000',
  },
}

SCSS

$custom: #378e8a;
$custom-light: #78afac;
$custom-dark: #000000;

JSON

{
  "hex": "#378e8a",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 138
  },
  "hsl": {
    "h": 177.241,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59368,
    "c": 0.08257,
    "h": 190.9
  },
  "luminance": 0.21993
}

Semantic roles & 50–950 ramp

primary

#378E8A

secondary

#B36E71

accent

#545AD4

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #378E8A

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

Preview Lab → · Contrast checker → · Palette generator →