#377FC6#377FC6

#377FC6 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.131 H 250.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#377FC6
RGB	rgb(55, 127, 198)
HSL	hsl(210, 57%, 50%)
HSV	hsv(210, 72%, 78%)
CMYK	cmyk(72.2%, 35.9%, 0%, 22.4%)
CIE-LAB	lab(51.91, 1.44, -43.41)
CIE-LCH	lch(51.91, 43.43, 271.89°)
OKLab	oklab(58.5% -0.043 -0.1234)
OKLCH	oklch(58.5% 0.131 250.8)
XYZ	xyz(19.3541, 20.0660, 56.2683)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FC6 #C67E37

analogous

#37C6C6 #377FC6 #3738C6

triadic

#377FC6 #C6377F #7FC637

tetradic

#377FC6 #C637C6 #C67E37 #38C637

square

#377FC6 #C637C6 #C67E37 #38C637

split-complementary

#377FC6 #C63738 #C6C637

monochromatic

#1C4266 #2A6096 #377FC6 #669DD4 #96BCE2

Accessibility & contrast

On white

4.19

#377FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#377FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FC6

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FC6	#FFFFFF	#000000	##000000
##377FC6	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C9

Deuteranopia (green-blind)

#4A76C5

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #377fc6;
/* rgb */ color: rgb(55, 127, 198);
/* oklch */ color: oklch(58.5% 0.131 250.8);

Tailwind

colors: {
  custom: {
    50: '#7fa3d7',
    500: '#377fc6',
    950: '#000000',
  },
}

SCSS

$custom: #377fc6;
$custom-light: #7fa3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#377fc6",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 198
  },
  "hsl": {
    "h": 209.79,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58499,
    "c": 0.13069,
    "h": 250.8
  },
  "luminance": 0.20068
}

Semantic roles & 50–950 ramp

primary

#377FC6

secondary

#CDAC8C

accent

#9348E0

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #377FC6

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

Preview Lab → · Contrast checker → · Palette generator →