#3772D7#3772D7

#3772D7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.167 H 260.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3772D7
RGB	rgb(55, 114, 215)
HSL	hsl(218, 67%, 53%)
HSV	hsv(218, 74%, 84%)
CMYK	cmyk(74.4%, 47%, 0%, 15.7%)
CIE-LAB	lab(49.19, 15.67, -57.42)
CIE-LCH	lch(49.19, 59.52, 285.26°)
OKLab	oklab(56.7% -0.0279 -0.1648)
OKLCH	oklch(56.7% 0.167 260.4)
XYZ	xyz(19.8542, 17.7509, 66.6567)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3772D7 #D79C37

analogous

#37C2D7 #3772D7 #4C37D7

triadic

#3772D7 #D73772 #72D737

tetradic

#3772D7 #D737C2 #D79C37 #37D74C

square

#3772D7 #D737C2 #D79C37 #37D74C

split-complementary

#3772D7 #D74C37 #C2D737

monochromatic

#193D7B #2356AE #3772D7 #6A96E1 #9DBAEB

Accessibility & contrast

On white

4.61

#3772D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3772D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3772D7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3772D7	#FFFFFF	#000000	##FFFFFF
##3772D7	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7DDB

Deuteranopia (green-blind)

#0D6ED5

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3772d7;
/* rgb */ color: rgb(55, 114, 215);
/* oklch */ color: oklch(56.7% 0.167 260.4);

Tailwind

colors: {
  custom: {
    50: '#8399e4',
    500: '#3772d7',
    950: '#000000',
  },
}

SCSS

$custom: #3772d7;
$custom-light: #8399e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3772d7",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 215
  },
  "hsl": {
    "h": 217.875,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56704,
    "c": 0.16714,
    "h": 260.4
  },
  "luminance": 0.17753
}

Semantic roles & 50–950 ramp

primary

#3772D7

secondary

#D7BE92

accent

#AA3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3772D7

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

Preview Lab → · Contrast checker → · Palette generator →