#3772E5#3772E5

#3772E5 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.186 H 262.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3772E5
RGB	rgb(55, 114, 229)
HSL	hsl(220, 77%, 56%)
HSV	hsv(220, 76%, 90%)
CMYK	cmyk(76%, 50.2%, 0%, 10.2%)
CIE-LAB	lab(50.10, 20.83, -63.87)
CIE-LCH	lch(50.10, 67.18, 288.06°)
OKLab	oklab(57.69% -0.0259 -0.1838)
OKLCH	oklch(57.69% 0.186 262)
XYZ	xyz(21.7306, 18.5015, 76.5394)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772E5 #E5AA37

analogous

#37C9E5 #3772E5 #5337E5

triadic

#3772E5 #E53772 #72E537

tetradic

#3772E5 #E537C9 #E5AA37 #37E553

square

#3772E5 #E537C9 #E5AA37 #37E553

split-complementary

#3772E5 #E55337 #C9E537

monochromatic

#133D8F #1A54C5 #3772E5 #6D98EC #A3BEF3

Accessibility & contrast

On white

4.47

#3772E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3772E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3772E5

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772E5	#FFFFFF	#000000	##000000
##3772E5	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2980E9

Deuteranopia (green-blind)

#0070E3

Tritanopia (blue-blind)

#008EA1

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3772e5;
/* rgb */ color: rgb(55, 114, 229);
/* oklch */ color: oklch(57.7% 0.186 262.0);

Tailwind

colors: {
  custom: {
    50: '#8699ee',
    500: '#3772e5',
    950: '#000000',
  },
}

SCSS

$custom: #3772e5;
$custom-light: #8699ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3772e5",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 229
  },
  "hsl": {
    "h": 219.655,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57687,
    "c": 0.18559,
    "h": 262
  },
  "luminance": 0.18504
}

Semantic roles & 50–950 ramp

primary

#3772E5

secondary

#E0C898

accent

#B334F4

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3772E5

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

Preview Lab → · Contrast checker → · Palette generator →