#372BC5#372BC5

#372BC5 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.7% C 0.224 H 274.8°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#372BC5
RGB	rgb(55, 43, 197)
HSL	hsl(245, 64%, 47%)
HSV	hsv(245, 78%, 77%)
CMYK	cmyk(72.1%, 78.2%, 0%, 22.7%)
CIE-LAB	lab(30.81, 52.61, -77.04)
CIE-LCH	lch(30.81, 93.29, 304.33°)
OKLab	oklab(42.66% 0.0185 -0.2228)
OKLCH	oklch(42.66% 0.224 274.8)
XYZ	xyz(12.5141, 6.5700, 53.4211)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BC5 #B9C52B

analogous

#2B6CC5 #372BC5 #842BC5

triadic

#372BC5 #C5372B #2BC537

tetradic

#372BC5 #C52B6C #B9C52B #2BC584

square

#372BC5 #C52B6C #B9C52B #2BC584

split-complementary

#372BC5 #C5842B #6CC52B

monochromatic

#1B1561 #292093 #372BC5 #5E54DA #8D86E5

Accessibility & contrast

On white

9.07

#372BC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#372BC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BC5

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BC5	#FFFFFF	#000000	##FFFFFF
##372BC5	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC9

Deuteranopia (green-blind)

#0041C2

Tritanopia (blue-blind)

#005A78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #372bc5;
/* rgb */ color: rgb(55, 43, 197);
/* oklch */ color: oklch(42.7% 0.224 274.8);

Tailwind

colors: {
  custom: {
    50: '#8468d8',
    500: '#372bc5',
    950: '#000000',
  },
}

SCSS

$custom: #372bc5;
$custom-light: #8468d8;
$custom-dark: #000000;

JSON

{
  "hex": "#372bc5",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 197
  },
  "hsl": {
    "h": 244.675,
    "s": 64.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42655,
    "c": 0.22357,
    "h": 274.8
  },
  "luminance": 0.06571
}

Semantic roles & 50–950 ramp

primary

#372BC5

secondary

#C8CE7E

accent

#E741DA

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #372BC5

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

Preview Lab → · Contrast checker → · Palette generator →