#377AC2#377AC2

#377AC2 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.131 H 252.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#377AC2
RGB	rgb(55, 122, 194)
HSL	hsl(211, 56%, 49%)
HSV	hsv(211, 72%, 76%)
CMYK	cmyk(71.6%, 37.1%, 0%, 23.9%)
CIE-LAB	lab(50.24, 3.02, -43.76)
CIE-LCH	lch(50.24, 43.87, 273.95°)
OKLab	oklab(57.13% -0.0392 -0.1245)
OKLCH	oklch(57.13% 0.131 252.5)
XYZ	xyz(18.2691, 18.6243, 53.6605)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377AC2 #C27F37

analogous

#37C0C2 #377AC2 #3A37C2

triadic

#377AC2 #C2377A #7AC237

tetradic

#377AC2 #C237C0 #C27F37 #37C23A

square

#377AC2 #C237C0 #C27F37 #37C23A

split-complementary

#377AC2 #C23A37 #C0C237

monochromatic

#1C3E63 #295C92 #377AC2 #6399D3 #93B8E0

Accessibility & contrast

On white

4.44

#377AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#377AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377AC2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377AC2	#FFFFFF	#000000	##000000
##377AC2	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597FC5

Deuteranopia (green-blind)

#4472C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #377ac2;
/* rgb */ color: rgb(55, 122, 194);
/* oklch */ color: oklch(57.1% 0.131 252.5);

Tailwind

colors: {
  custom: {
    50: '#7fa0d5',
    500: '#377ac2',
    950: '#000000',
  },
}

SCSS

$custom: #377ac2;
$custom-light: #7fa0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#377ac2",
  "rgb": {
    "r": 55,
    "g": 122,
    "b": 194
  },
  "hsl": {
    "h": 211.079,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57125,
    "c": 0.13059,
    "h": 252.5
  },
  "luminance": 0.18626
}

Semantic roles & 50–950 ramp

primary

#377AC2

secondary

#CBAC89

accent

#9749DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #377AC2

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

Preview Lab → · Contrast checker → · Palette generator →