#372DCC#372DCC

#372DCC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.7% C 0.230 H 274.0°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#372DCC
RGB	rgb(55, 45, 204)
HSL	hsl(244, 64%, 49%)
HSV	hsv(244, 78%, 80%)
CMYK	cmyk(73%, 77.9%, 0%, 20%)
CIE-LAB	lab(31.91, 53.76, -79.30)
CIE-LCH	lch(31.91, 95.81, 304.14°)
OKLab	oklab(43.65% 0.0161 -0.2294)
OKLCH	oklch(43.65% 0.23 274)
XYZ	xyz(13.4094, 7.0473, 57.7686)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.19

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DCC #C2CC2D

analogous

#2D73CC #372DCC #872DCC

triadic

#372DCC #CC372D #2DCC37

tetradic

#372DCC #CC2D73 #C2CC2D #2DCC87

square

#372DCC #CC2D73 #C2CC2D #2DCC87

split-complementary

#372DCC #CC872D #73CC2D

monochromatic

#1C1768 #29229A #372DCC #635BDB #938DE6

Accessibility & contrast

On white

8.71

#372DCC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#372DCC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DCC

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DCC	#FFFFFF	#000000	##FFFFFF
##372DCC	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D0

Deuteranopia (green-blind)

#0044C9

Tritanopia (blue-blind)

#005D7C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #372dcc;
/* rgb */ color: rgb(55, 45, 204);
/* oklch */ color: oklch(43.7% 0.230 274.0);

Tailwind

colors: {
  custom: {
    50: '#856add',
    500: '#372dcc',
    950: '#000000',
  },
}

SCSS

$custom: #372dcc;
$custom-light: #856add;
$custom-dark: #000000;

JSON

{
  "hex": "#372dcc",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 204
  },
  "hsl": {
    "h": 243.774,
    "s": 63.855,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43653,
    "c": 0.22995,
    "h": 274
  },
  "luminance": 0.07049
}

Semantic roles & 50–950 ramp

primary

#372DCC

secondary

#CBD085

accent

#E741DC

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #372DCC

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

Preview Lab → · Contrast checker → · Palette generator →