#377FA6#377FA6

#377FA6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.093 H 235.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#377FA6
RGB	rgb(55, 127, 166)
HSL	hsl(201, 50%, 43%)
HSV	hsv(201, 67%, 65%)
CMYK	cmyk(66.9%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(50.38, -9.80, -27.39)
CIE-LCH	lch(50.38, 29.09, 250.30°)
OKLab	oklab(56.79% -0.0529 -0.0769)
OKLCH	oklch(56.79% 0.093 235.5)
XYZ	xyz(16.0452, 18.7425, 38.8411)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FA6 #A65E37

analogous

#37A695 #377FA6 #3747A6

triadic

#377FA6 #A6377F #7FA637

tetradic

#377FA6 #9537A6 #A65E37 #47A637

square

#377FA6 #9537A6 #A65E37 #47A637

split-complementary

#377FA6 #A63747 #A69537

monochromatic

#19394A #285C78 #377FA6 #549EC6 #82B8D6

Accessibility & contrast

On white

4.42

#377FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#377FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FA6

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FA6	#FFFFFF	#000000	##000000
##377FA6	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA8

Deuteranopia (green-blind)

#5D73A5

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377fa6;
/* rgb */ color: rgb(55, 127, 166);
/* oklch */ color: oklch(56.8% 0.093 235.5);

Tailwind

colors: {
  custom: {
    50: '#7aa4c0',
    500: '#377fa6',
    950: '#000000',
  },
}

SCSS

$custom: #377fa6;
$custom-light: #7aa4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#377fa6",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 201.081,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56792,
    "c": 0.0933,
    "h": 235.5
  },
  "luminance": 0.18744
}

Semantic roles & 50–950 ramp

primary

#377FA6

secondary

#BF927A

accent

#7F4EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #377FA6

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

Preview Lab → · Contrast checker → · Palette generator →