#377AC6#377AC6

#377AC6 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.4% C 0.136 H 253.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#377AC6
RGB	rgb(55, 122, 198)
HSL	hsl(212, 57%, 50%)
HSV	hsv(212, 72%, 78%)
CMYK	cmyk(72.2%, 38.4%, 0%, 22.4%)
CIE-LAB	lab(50.46, 4.47, -45.71)
CIE-LCH	lch(50.46, 45.93, 275.58°)
OKLab	oklab(57.36% -0.0383 -0.1302)
OKLCH	oklch(57.36% 0.136 253.6)
XYZ	xyz(18.7243, 18.8064, 56.0583)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377AC6 #C68337

analogous

#37C2C6 #377AC6 #3B37C6

triadic

#377AC6 #C6377A #7AC637

tetradic

#377AC6 #C637C2 #C68337 #37C63B

square

#377AC6 #C637C2 #C68337 #37C63B

split-complementary

#377AC6 #C63B37 #C2C637

monochromatic

#1C3F66 #2A5C96 #377AC6 #669AD4 #96B9E2

Accessibility & contrast

On white

4.41

#377AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#377AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377AC6

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377AC6	#FFFFFF	#000000	##000000
##377AC6	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577FC9

Deuteranopia (green-blind)

#4172C4

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377ac6;
/* rgb */ color: rgb(55, 122, 198);
/* oklch */ color: oklch(57.4% 0.136 253.6);

Tailwind

colors: {
  custom: {
    50: '#7fa0d8',
    500: '#377ac6',
    950: '#000000',
  },
}

SCSS

$custom: #377ac6;
$custom-light: #7fa0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#377ac6",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 198
  },
  "hsl": {
    "h": 211.888,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57363,
    "c": 0.13575,
    "h": 253.6
  },
  "luminance": 0.18809
}

Semantic roles & 50–950 ramp

primary

#377AC6

secondary

#CDAE8C

accent

#9948E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #377AC6

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

Preview Lab → · Contrast checker → · Palette generator →