#377F8A#377F8A

#377F8A is a mid, moderate teal. Relative luminance 0.178; OKLCH L 55.5% C 0.073 H 208.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#377F8A
RGB	rgb(55, 127, 138)
HSL	hsl(188, 43%, 38%)
HSV	hsv(188, 60%, 54%)
CMYK	cmyk(60.1%, 8%, 0%, 45.9%)
CIE-LAB	lab(49.28, -18.91, -12.71)
CIE-LCH	lch(49.28, 22.79, 213.91°)
OKLab	oklab(55.55% -0.064 -0.0352)
OKLCH	oklch(55.55% 0.073 208.8)
XYZ	xyz(13.7505, 17.8246, 26.7557)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377F8A #8A4237

analogous

#378A6B #377F8A #37558A

triadic

#377F8A #8A377F #7F8A37

tetradic

#377F8A #6B378A #8A4237 #558A37

square

#377F8A #6B378A #8A4237 #558A37

split-complementary

#377F8A #8A3755 #8A6B37

monochromatic

#142E32 #26575E #377F8A #48A7B6 #74BCC8

Accessibility & contrast

On white

4.60

#377F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#377F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #377F8A

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377F8A	#FFFFFF	#000000	##FFFFFF
##377F8A	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8B

Deuteranopia (green-blind)

#68718A

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #377f8a;
/* rgb */ color: rgb(55, 127, 138);
/* oklch */ color: oklch(55.5% 0.073 208.8);

Tailwind

colors: {
  custom: {
    50: '#77a4ac',
    500: '#377f8a',
    950: '#000000',
  },
}

SCSS

$custom: #377f8a;
$custom-light: #77a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#377f8a",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 138
  },
  "hsl": {
    "h": 187.952,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.55547,
    "c": 0.07304,
    "h": 208.8
  },
  "luminance": 0.17826
}

Semantic roles & 50–950 ramp

primary

#377F8A

secondary

#B0756D

accent

#6655D3

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #377F8A

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

Preview Lab → · Contrast checker → · Palette generator →