#3777C2#3777C2

#3777C2 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.134 H 254.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3777C2
RGB	rgb(55, 119, 194)
HSL	hsl(212, 56%, 49%)
HSV	hsv(212, 72%, 76%)
CMYK	cmyk(71.6%, 38.7%, 0%, 23.9%)
CIE-LAB	lab(49.37, 4.85, -45.15)
CIE-LCH	lch(49.37, 45.41, 276.13°)
OKLab	oklab(56.45% -0.0364 -0.1286)
OKLCH	oklch(56.45% 0.134 254.2)
XYZ	xyz(17.9064, 17.8990, 53.5396)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3777C2 #C28237

analogous

#37BDC2 #3777C2 #3D37C2

triadic

#3777C2 #C23777 #77C237

tetradic

#3777C2 #C237BD #C28237 #37C23D

square

#3777C2 #C237BD #C28237 #37C23D

split-complementary

#3777C2 #C23D37 #BDC237

monochromatic

#1C3D63 #295A92 #3777C2 #6397D3 #93B7E0

Accessibility & contrast

On white

4.58

#3777C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3777C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3777C2

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3777C2	#FFFFFF	#000000	##000000
##3777C2	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547CC5

Deuteranopia (green-blind)

#3F6FC0

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3777c2;
/* rgb */ color: rgb(55, 119, 194);
/* oklch */ color: oklch(56.4% 0.134 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f9dd5',
    500: '#3777c2',
    950: '#000000',
  },
}

SCSS

$custom: #3777c2;
$custom-light: #7f9dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3777c2",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 194
  },
  "hsl": {
    "h": 212.374,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56445,
    "c": 0.1337,
    "h": 254.2
  },
  "luminance": 0.17901
}

Semantic roles & 50–950 ramp

primary

#3777C2

secondary

#CBAD89

accent

#9A49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3777C2

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

Preview Lab → · Contrast checker → · Palette generator →