#3772D3#3772D3

#3772D3 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.162 H 259.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3772D3
RGB	rgb(55, 114, 211)
HSL	hsl(217, 64%, 52%)
HSV	hsv(217, 74%, 83%)
CMYK	cmyk(73.9%, 46%, 0%, 17.3%)
CIE-LAB	lab(48.94, 14.19, -55.55)
CIE-LCH	lch(48.94, 57.33, 284.33°)
OKLab	oklab(56.43% -0.0285 -0.1593)
OKLCH	oklch(56.43% 0.162 259.9)
XYZ	xyz(19.3465, 17.5478, 63.9828)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772D3 #D39837

analogous

#37C0D3 #3772D3 #4A37D3

triadic

#3772D3 #D33772 #72D337

tetradic

#3772D3 #D337C0 #D39837 #37D34A

square

#3772D3 #D337C0 #D39837 #37D34A

split-complementary

#3772D3 #D34A37 #C0D337

monochromatic

#1A3D76 #2556A8 #3772D3 #6995DE #9BB9E9

Accessibility & contrast

On white

4.66

#3772D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3772D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3772D3

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772D3	#FFFFFF	#000000	##FFFFFF
##3772D3	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD7

Deuteranopia (green-blind)

#1A6ED1

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3772d3;
/* rgb */ color: rgb(55, 114, 211);
/* oklch */ color: oklch(56.4% 0.162 259.9);

Tailwind

colors: {
  custom: {
    50: '#8299e1',
    500: '#3772d3',
    950: '#000000',
  },
}

SCSS

$custom: #3772d3;
$custom-light: #8299e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3772d3",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 211
  },
  "hsl": {
    "h": 217.308,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56432,
    "c": 0.16182,
    "h": 259.9
  },
  "luminance": 0.1755
}

Semantic roles & 50–950 ramp

primary

#3772D3

secondary

#D5BB91

accent

#A841E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3772D3

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

Preview Lab → · Contrast checker → · Palette generator →