#377DC7#377DC7

#377DC7 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.134 H 252.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#377DC7
RGB	rgb(55, 125, 199)
HSL	hsl(211, 57%, 50%)
HSV	hsv(211, 72%, 78%)
CMYK	cmyk(72.4%, 37.2%, 0%, 22%)
CIE-LAB	lab(51.38, 3.00, -44.82)
CIE-LCH	lch(51.38, 44.92, 273.84°)
OKLab	oklab(58.1% -0.0408 -0.1276)
OKLCH	oklch(58.1% 0.134 252.3)
XYZ	xyz(19.2141, 19.6008, 56.7925)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC7 #C78137

analogous

#37C5C7 #377DC7 #3937C7

triadic

#377DC7 #C7377D #7DC737

tetradic

#377DC7 #C737C5 #C78137 #37C739

square

#377DC7 #C737C5 #C78137 #37C739

split-complementary

#377DC7 #C73937 #C5C737

monochromatic

#1C4167 #2A5F97 #377DC7 #669CD5 #96BBE2

Accessibility & contrast

On white

4.27

#377DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#377DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC7

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC7	#FFFFFF	#000000	##000000
##377DC7	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B82CA

Deuteranopia (green-blind)

#4574C6

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377dc7;
/* rgb */ color: rgb(55, 125, 199);
/* oklch */ color: oklch(58.1% 0.134 252.3);

Tailwind

colors: {
  custom: {
    50: '#80a2d8',
    500: '#377dc7',
    950: '#000000',
  },
}

SCSS

$custom: #377dc7;
$custom-light: #80a2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc7",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 199
  },
  "hsl": {
    "h": 210.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58102,
    "c": 0.13396,
    "h": 252.3
  },
  "luminance": 0.19603
}

Semantic roles & 50–950 ramp

primary

#377DC7

secondary

#CDAE8C

accent

#9648E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC7

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

Preview Lab → · Contrast checker → · Palette generator →