#372BC4#372BC4

#372BC4 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.5% C 0.222 H 274.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#372BC4
RGB	rgb(55, 43, 196)
HSL	hsl(245, 64%, 47%)
HSV	hsv(245, 78%, 77%)
CMYK	cmyk(71.9%, 78.1%, 0%, 23.1%)
CIE-LAB	lab(30.70, 52.30, -76.63)
CIE-LCH	lch(30.70, 92.78, 304.31°)
OKLab	oklab(42.55% 0.0188 -0.2216)
OKLCH	oklch(42.55% 0.222 274.8)
XYZ	xyz(12.3999, 6.5243, 52.8197)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.91

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BC4 #B8C42B

analogous

#2B6CC4 #372BC4 #842BC4

triadic

#372BC4 #C4372B #2BC437

tetradic

#372BC4 #C42B6C #B8C42B #2BC484

square

#372BC4 #C42B6C #B8C42B #2BC484

split-complementary

#372BC4 #C4842B #6CC42B

monochromatic

#1B1560 #292092 #372BC4 #5D53D9 #8D85E4

Accessibility & contrast

On white

9.11

#372BC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#372BC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BC4

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BC4	#FFFFFF	#000000	##FFFFFF
##372BC4	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC8

Deuteranopia (green-blind)

#0041C1

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372bc4;
/* rgb */ color: rgb(55, 43, 196);
/* oklch */ color: oklch(42.5% 0.222 274.8);

Tailwind

colors: {
  custom: {
    50: '#8468d7',
    500: '#372bc4',
    950: '#000000',
  },
}

SCSS

$custom: #372bc4;
$custom-light: #8468d7;
$custom-dark: #000000;

JSON

{
  "hex": "#372bc4",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 196
  },
  "hsl": {
    "h": 244.706,
    "s": 64.017,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42547,
    "c": 0.22241,
    "h": 274.8
  },
  "luminance": 0.06526
}

Semantic roles & 50–950 ramp

primary

#372BC4

secondary

#C7CE7D

accent

#E741DA

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #372BC4

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

Preview Lab → · Contrast checker → · Palette generator →