#372DC3#372DC3

#372DC3 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.7% C 0.220 H 274.7°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#372DC3
RGB	rgb(55, 45, 195)
HSL	hsl(244, 63%, 47%)
HSV	hsv(244, 77%, 76%)
CMYK	cmyk(71.8%, 76.9%, 0%, 23.5%)
CIE-LAB	lab(30.94, 50.98, -75.64)
CIE-LCH	lch(30.94, 91.21, 303.98°)
OKLab	oklab(42.69% 0.0181 -0.2188)
OKLCH	oklch(42.69% 0.22 274.7)
XYZ	xyz(12.3610, 6.6279, 52.2471)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DC3 #B9C32D

analogous

#2D6EC3 #372DC3 #822DC3

triadic

#372DC3 #C3372D #2DC337

tetradic

#372DC3 #C32D6E #B9C32D #2DC382

square

#372DC3 #C32D6E #B9C32D #2DC382

split-complementary

#372DC3 #C3822D #6EC32D

monochromatic

#1B1660 #292291 #372DC3 #5E55D8 #8D87E3

Accessibility & contrast

On white

9.03

#372DC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#372DC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DC3

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DC3	#FFFFFF	#000000	##FFFFFF
##372DC3	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC7

Deuteranopia (green-blind)

#0042C0

Tritanopia (blue-blind)

#005A77

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #372dc3;
/* rgb */ color: rgb(55, 45, 195);
/* oklch */ color: oklch(42.7% 0.220 274.7);

Tailwind

colors: {
  custom: {
    50: '#8369d7',
    500: '#372dc3',
    950: '#000000',
  },
}

SCSS

$custom: #372dc3;
$custom-light: #8369d7;
$custom-dark: #000000;

JSON

{
  "hex": "#372dc3",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 195
  },
  "hsl": {
    "h": 244,
    "s": 62.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42688,
    "c": 0.21951,
    "h": 274.7
  },
  "luminance": 0.06629
}

Semantic roles & 50–950 ramp

primary

#372DC3

secondary

#C8CD7F

accent

#E642DB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #372DC3

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

Preview Lab → · Contrast checker → · Palette generator →