#377DC6#377DC6

#377DC6 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.133 H 252.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#377DC6
RGB	rgb(55, 125, 198)
HSL	hsl(211, 57%, 50%)
HSV	hsv(211, 72%, 78%)
CMYK	cmyk(72.2%, 36.9%, 0%, 22.4%)
CIE-LAB	lab(51.33, 2.64, -44.33)
CIE-LCH	lch(51.33, 44.41, 273.41°)
OKLab	oklab(58.04% -0.0411 -0.1262)
OKLCH	oklch(58.04% 0.133 252)
XYZ	xyz(19.0984, 19.5546, 56.1830)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC6 #C68037

analogous

#37C5C6 #377DC6 #3837C6

triadic

#377DC6 #C6377D #7DC637

tetradic

#377DC6 #C637C5 #C68037 #37C638

square

#377DC6 #C637C5 #C68037 #37C638

split-complementary

#377DC6 #C63837 #C5C637

monochromatic

#1C4166 #2A5F96 #377DC6 #669CD4 #96BBE2

Accessibility & contrast

On white

4.28

#377DC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#377DC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC6

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC6	#FFFFFF	#000000	##000000
##377DC6	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C82C9

Deuteranopia (green-blind)

#4674C5

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #377dc6;
/* rgb */ color: rgb(55, 125, 198);
/* oklch */ color: oklch(58.0% 0.133 252.0);

Tailwind

colors: {
  custom: {
    50: '#7fa2d7',
    500: '#377dc6',
    950: '#000000',
  },
}

SCSS

$custom: #377dc6;
$custom-light: #7fa2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc6",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 198
  },
  "hsl": {
    "h": 210.629,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58043,
    "c": 0.13268,
    "h": 252
  },
  "luminance": 0.19557
}

Semantic roles & 50–950 ramp

primary

#377DC6

secondary

#CDAD8C

accent

#9548E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC6

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

Preview Lab → · Contrast checker → · Palette generator →