#377D8A#377D8A

#377D8A is a mid, moderate teal. Relative luminance 0.173; OKLCH L 55.0% C 0.072 H 211.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#377D8A
RGB	rgb(55, 125, 138)
HSL	hsl(189, 43%, 38%)
HSV	hsv(189, 60%, 54%)
CMYK	cmyk(60.1%, 9.4%, 0%, 45.9%)
CIE-LAB	lab(48.65, -17.83, -13.67)
CIE-LCH	lch(48.65, 22.47, 217.47°)
OKLab	oklab(55.04% -0.0617 -0.0379)
OKLCH	oklch(55.04% 0.072 211.5)
XYZ	xyz(13.4947, 17.3131, 26.6704)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377D8A #8A4437

analogous

#378A6E #377D8A #37538A

triadic

#377D8A #8A377D #7D8A37

tetradic

#377D8A #6E378A #8A4437 #538A37

square

#377D8A #6E378A #8A4437 #538A37

split-complementary

#377D8A #8A3753 #8A6E37

monochromatic

#142E32 #26555E #377D8A #48A5B6 #74BAC8

Accessibility & contrast

On white

4.71

#377D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#377D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377D8A

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377D8A	#FFFFFF	#000000	##FFFFFF
##377D8A	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798B

Deuteranopia (green-blind)

#66708A

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #377d8a;
/* rgb */ color: rgb(55, 125, 138);
/* oklch */ color: oklch(55.0% 0.072 211.5);

Tailwind

colors: {
  custom: {
    50: '#77a2ac',
    500: '#377d8a',
    950: '#000000',
  },
}

SCSS

$custom: #377d8a;
$custom-light: #77a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#377d8a",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 138
  },
  "hsl": {
    "h": 189.398,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.5504,
    "c": 0.07239,
    "h": 211.5
  },
  "luminance": 0.17314
}

Semantic roles & 50–950 ramp

primary

#377D8A

secondary

#B0776D

accent

#6955D3

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #377D8A

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

Preview Lab → · Contrast checker → · Palette generator →