#377C8A#377C8A

#377C8A is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.072 H 212.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#377C8A
RGB	rgb(55, 124, 138)
HSL	hsl(190, 43%, 38%)
HSV	hsv(190, 60%, 54%)
CMYK	cmyk(60.1%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(48.34, -17.29, -14.15)
CIE-LCH	lch(48.34, 22.34, 219.29°)
OKLab	oklab(54.79% -0.0605 -0.0392)
OKLCH	oklch(54.79% 0.072 212.9)
XYZ	xyz(13.3688, 17.0612, 26.6284)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377C8A #8A4537

analogous

#378A6E #377C8A #37538A

triadic

#377C8A #8A377C #7C8A37

tetradic

#377C8A #6E378A #8A4537 #538A37

square

#377C8A #6E378A #8A4537 #538A37

split-complementary

#377C8A #8A3753 #8A6E37

monochromatic

#142D32 #26555E #377C8A #48A3B6 #74B9C8

Accessibility & contrast

On white

4.76

#377C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#377C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377C8A

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377C8A	#FFFFFF	#000000	##FFFFFF
##377C8A	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788B

Deuteranopia (green-blind)

#656F8A

Tritanopia (blue-blind)

#008280

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #377c8a;
/* rgb */ color: rgb(55, 124, 138);
/* oklch */ color: oklch(54.8% 0.072 212.9);

Tailwind

colors: {
  custom: {
    50: '#76a2ac',
    500: '#377c8a',
    950: '#000000',
  },
}

SCSS

$custom: #377c8a;
$custom-light: #76a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#377c8a",
  "rgb": {
    "r": 55,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 190.12,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54787,
    "c": 0.07212,
    "h": 212.9
  },
  "luminance": 0.17063
}

Semantic roles & 50–950 ramp

primary

#377C8A

secondary

#B0786D

accent

#6A55D3

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #377C8A

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

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