#3771C2#3771C2

#3771C2 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 55.1% C 0.140 H 257.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3771C2
RGB	rgb(55, 113, 194)
HSL	hsl(215, 56%, 49%)
HSV	hsv(215, 72%, 76%)
CMYK	cmyk(71.6%, 41.8%, 0%, 23.9%)
CIE-LAB	lab(47.64, 8.57, -47.90)
CIE-LCH	lch(47.64, 48.66, 280.14°)
OKLab	oklab(55.1% -0.0308 -0.1368)
OKLCH	oklch(55.1% 0.14 257.3)
XYZ	xyz(17.2147, 16.5157, 53.3091)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3771C2 #C28837

analogous

#37B7C2 #3771C2 #4337C2

triadic

#3771C2 #C23771 #71C237

tetradic

#3771C2 #C237B7 #C28837 #37C243

square

#3771C2 #C237B7 #C28837 #37C243

split-complementary

#3771C2 #C24337 #B7C237

monochromatic

#1C3963 #295592 #3771C2 #6392D3 #93B3E0

Accessibility & contrast

On white

4.88

#3771C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3771C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3771C2

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3771C2	#FFFFFF	#000000	##FFFFFF
##3771C2	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A78C5

Deuteranopia (green-blind)

#336BC0

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3771c2;
/* rgb */ color: rgb(55, 113, 194);
/* oklch */ color: oklch(55.1% 0.140 257.3);

Tailwind

colors: {
  custom: {
    50: '#7f99d5',
    500: '#3771c2',
    950: '#000000',
  },
}

SCSS

$custom: #3771c2;
$custom-light: #7f99d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3771c2",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 194
  },
  "hsl": {
    "h": 214.964,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55099,
    "c": 0.14026,
    "h": 257.3
  },
  "luminance": 0.16518
}

Semantic roles & 50–950 ramp

primary

#3771C2

secondary

#CBB089

accent

#A049DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3771C2

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

Preview Lab → · Contrast checker → · Palette generator →