#3772CD#3772CD

#3772CD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.154 H 258.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3772CD
RGB	rgb(55, 114, 205)
HSL	hsl(216, 60%, 51%)
HSV	hsv(216, 73%, 80%)
CMYK	cmyk(73.2%, 44.4%, 0%, 19.6%)
CIE-LAB	lab(48.58, 11.98, -52.72)
CIE-LCH	lch(48.58, 54.06, 282.81°)
OKLab	oklab(56.03% -0.0295 -0.151)
OKLCH	oklch(56.03% 0.154 258.9)
XYZ	xyz(18.6083, 17.2526, 60.0951)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772CD #CD9237

analogous

#37BDCD #3772CD #4737CD

triadic

#3772CD #CD3772 #72CD37

tetradic

#3772CD #CD37BD #CD9237 #37CD47

square

#3772CD #CD37BD #CD9237 #37CD47

split-complementary

#3772CD #CD4737 #BDCD37

monochromatic

#1C3C6E #28579F #3772CD #6895D9 #99B7E5

Accessibility & contrast

On white

4.72

#3772CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3772CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772CD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772CD	#FFFFFF	#000000	##FFFFFF
##3772CD	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447BD0

Deuteranopia (green-blind)

#266DCB

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3772cd;
/* rgb */ color: rgb(55, 114, 205);
/* oklch */ color: oklch(56.0% 0.154 258.9);

Tailwind

colors: {
  custom: {
    50: '#819add',
    500: '#3772cd',
    950: '#000000',
  },
}

SCSS

$custom: #3772cd;
$custom-light: #819add;
$custom-dark: #000000;

JSON

{
  "hex": "#3772cd",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 205
  },
  "hsl": {
    "h": 216.4,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56031,
    "c": 0.15382,
    "h": 258.9
  },
  "luminance": 0.17255
}

Semantic roles & 50–950 ramp

primary

#3772CD

secondary

#D1B78F

accent

#A545E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3772CD

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

Preview Lab → · Contrast checker → · Palette generator →