#377FC1#377FC1

#377FC1 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.124 H 249.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#377FC1
RGB	rgb(55, 127, 193)
HSL	hsl(209, 56%, 49%)
HSV	hsv(209, 72%, 76%)
CMYK	cmyk(71.5%, 34.2%, 0%, 24.3%)
CIE-LAB	lab(51.65, -0.36, -40.96)
CIE-LCH	lch(51.65, 40.96, 269.50°)
OKLab	oklab(58.21% -0.0443 -0.1163)
OKLCH	oklch(58.21% 0.124 249.1)
XYZ	xyz(18.7869, 19.8392, 53.2810)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377FC1 #C17937

analogous

#37C1BE #377FC1 #373AC1

triadic

#377FC1 #C1377F #7FC137

tetradic

#377FC1 #BE37C1 #C17937 #3AC137

square

#377FC1 #BE37C1 #C17937 #3AC137

split-complementary

#377FC1 #C1373A #C1BE37

monochromatic

#1C4062 #296091 #377FC1 #639DD2 #92BBE0

Accessibility & contrast

On white

4.23

#377FC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#377FC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377FC1

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377FC1	#FFFFFF	#000000	##000000
##377FC1	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C4

Deuteranopia (green-blind)

#4D75C0

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #377fc1;
/* rgb */ color: rgb(55, 127, 193);
/* oklch */ color: oklch(58.2% 0.124 249.1);

Tailwind

colors: {
  custom: {
    50: '#7fa3d4',
    500: '#377fc1',
    950: '#000000',
  },
}

SCSS

$custom: #377fc1;
$custom-light: #7fa3d4;
$custom-dark: #000000;

JSON

{
  "hex": "#377fc1",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 193
  },
  "hsl": {
    "h": 208.696,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58213,
    "c": 0.12443,
    "h": 249.1
  },
  "luminance": 0.19841
}

Semantic roles & 50–950 ramp

primary

#377FC1

secondary

#CBA889

accent

#9149DF

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #377FC1

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

Preview Lab → · Contrast checker → · Palette generator →