#377E8A#377E8A

#377E8A is a mid, moderate teal. Relative luminance 0.176; OKLCH L 55.3% C 0.073 H 210.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#377E8A
RGB	rgb(55, 126, 138)
HSL	hsl(189, 43%, 38%)
HSV	hsv(189, 60%, 54%)
CMYK	cmyk(60.1%, 8.7%, 0%, 45.9%)
CIE-LAB	lab(48.97, -18.37, -13.19)
CIE-LCH	lch(48.97, 22.62, 215.68°)
OKLab	oklab(55.29% -0.0628 -0.0365)
OKLCH	oklch(55.29% 0.073 210.2)
XYZ	xyz(13.6220, 17.5676, 26.7128)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377E8A #8A4337

analogous

#378A6C #377E8A #37548A

triadic

#377E8A #8A377E #7E8A37

tetradic

#377E8A #6C378A #8A4337 #548A37

square

#377E8A #6C378A #8A4337 #548A37

split-complementary

#377E8A #8A3754 #8A6C37

monochromatic

#142E32 #26565E #377E8A #48A6B6 #74BBC8

Accessibility & contrast

On white

4.65

#377E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#377E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #377E8A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377E8A	#FFFFFF	#000000	##FFFFFF
##377E8A	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#67708A

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #377e8a;
/* rgb */ color: rgb(55, 126, 138);
/* oklch */ color: oklch(55.3% 0.073 210.2);

Tailwind

colors: {
  custom: {
    50: '#77a3ac',
    500: '#377e8a',
    950: '#000000',
  },
}

SCSS

$custom: #377e8a;
$custom-light: #77a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#377e8a",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 138
  },
  "hsl": {
    "h": 188.675,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.55293,
    "c": 0.07269,
    "h": 210.2
  },
  "luminance": 0.17569
}

Semantic roles & 50–950 ramp

primary

#377E8A

secondary

#B0766D

accent

#6755D3

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #377E8A

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

Preview Lab → · Contrast checker → · Palette generator →