#3772C7#3772C7

#3772C7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.6% C 0.146 H 257.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3772C7
RGB	rgb(55, 114, 199)
HSL	hsl(215, 57%, 50%)
HSV	hsv(215, 72%, 78%)
CMYK	cmyk(72.4%, 42.7%, 0%, 22%)
CIE-LAB	lab(48.22, 9.78, -49.85)
CIE-LCH	lch(48.22, 50.80, 281.10°)
OKLab	oklab(55.64% -0.0307 -0.1425)
OKLCH	oklch(55.64% 0.146 257.8)
XYZ	xyz(17.8979, 16.9684, 56.3537)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772C7 #C78C37

analogous

#37BAC7 #3772C7 #4437C7

triadic

#3772C7 #C73772 #72C737

tetradic

#3772C7 #C737BA #C78C37 #37C744

square

#3772C7 #C737BA #C78C37 #37C744

split-complementary

#3772C7 #C74437 #BAC737

monochromatic

#1C3B67 #2A5797 #3772C7 #6694D5 #96B5E2

Accessibility & contrast

On white

4.78

#3772C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3772C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772C7

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772C7	#FFFFFF	#000000	##FFFFFF
##3772C7	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ACA

Deuteranopia (green-blind)

#2F6CC5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3772c7;
/* rgb */ color: rgb(55, 114, 199);
/* oklch */ color: oklch(55.6% 0.146 257.8);

Tailwind

colors: {
  custom: {
    50: '#809ad8',
    500: '#3772c7',
    950: '#000000',
  },
}

SCSS

$custom: #3772c7;
$custom-light: #809ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3772c7",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 199
  },
  "hsl": {
    "h": 215.417,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5564,
    "c": 0.14581,
    "h": 257.8
  },
  "luminance": 0.1697
}

Semantic roles & 50–950 ramp

primary

#3772C7

secondary

#CDB38C

accent

#A248E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3772C7

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

Preview Lab → · Contrast checker → · Palette generator →