#3772B3#3772B3

#3772B3 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.119 H 252.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3772B3
RGB	rgb(55, 114, 179)
HSL	hsl(211, 53%, 46%)
HSV	hsv(211, 69%, 70%)
CMYK	cmyk(69.3%, 36.3%, 0%, 29.8%)
CIE-LAB	lab(47.11, 2.49, -40.08)
CIE-LCH	lch(47.11, 40.16, 273.55°)
OKLab	oklab(54.41% -0.0353 -0.1139)
OKLCH	oklch(54.41% 0.119 252.8)
XYZ	xyz(15.7265, 16.0999, 44.9179)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772B3 #B37837

analogous

#37B0B3 #3772B3 #3A37B3

triadic

#3772B3 #B33772 #72B337

tetradic

#3772B3 #B337B0 #B37837 #37B33A

square

#3772B3 #B337B0 #B37837 #37B33A

split-complementary

#3772B3 #B33A37 #B0B337

monochromatic

#1A3655 #295484 #3772B3 #5B91CD #8AB0DB

Accessibility & contrast

On white

4.98

#3772B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3772B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772B3

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772B3	#FFFFFF	#000000	##FFFFFF
##3772B3	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B6

Deuteranopia (green-blind)

#436AB2

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3772b3;
/* rgb */ color: rgb(55, 114, 179);
/* oklch */ color: oklch(54.4% 0.119 252.8);

Tailwind

colors: {
  custom: {
    50: '#7c9aca',
    500: '#3772b3',
    950: '#000000',
  },
}

SCSS

$custom: #3772b3;
$custom-light: #7c9aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3772b3",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 179
  },
  "hsl": {
    "h": 211.452,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5441,
    "c": 0.11924,
    "h": 252.8
  },
  "luminance": 0.16102
}

Semantic roles & 50–950 ramp

primary

#3772B3

secondary

#C5A581

accent

#974BDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3772B3

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

Preview Lab → · Contrast checker → · Palette generator →