#377FC2#377FC2

#377FC2 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.126 H 249.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#377FC2
RGB	rgb(55, 127, 194)
HSL	hsl(209, 56%, 49%)
HSV	hsv(209, 72%, 76%)
CMYK	cmyk(71.6%, 34.5%, 0%, 23.9%)
CIE-LAB	lab(51.71, -0.00, -41.45)
CIE-LCH	lch(51.71, 41.45, 270.00°)
OKLab	oklab(58.27% -0.044 -0.1177)
OKLCH	oklch(58.27% 0.126 249.5)
XYZ	xyz(18.8989, 19.8839, 53.8704)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FC2 #C27A37

analogous

#37C2C0 #377FC2 #373AC2

triadic

#377FC2 #C2377F #7FC237

tetradic

#377FC2 #C037C2 #C27A37 #3AC237

square

#377FC2 #C037C2 #C27A37 #3AC237

split-complementary

#377FC2 #C2373A #C2C037

monochromatic

#1C4163 #296092 #377FC2 #639DD3 #93BBE0

Accessibility & contrast

On white

4.22

#377FC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#377FC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FC2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FC2	#FFFFFF	#000000	##000000
##377FC2	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C5

Deuteranopia (green-blind)

#4D75C1

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #377fc2;
/* rgb */ color: rgb(55, 127, 194);
/* oklch */ color: oklch(58.3% 0.126 249.5);

Tailwind

colors: {
  custom: {
    50: '#7fa3d5',
    500: '#377fc2',
    950: '#000000',
  },
}

SCSS

$custom: #377fc2;
$custom-light: #7fa3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#377fc2",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 194
  },
  "hsl": {
    "h": 208.921,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5827,
    "c": 0.12568,
    "h": 249.5
  },
  "luminance": 0.19886
}

Semantic roles & 50–950 ramp

primary

#377FC2

secondary

#CBA989

accent

#9149DF

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #377FC2

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

Preview Lab → · Contrast checker → · Palette generator →