#372AC5#372AC5

#372AC5 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.5% C 0.224 H 274.8°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#372AC5
RGB	rgb(55, 42, 197)
HSL	hsl(245, 65%, 47%)
HSV	hsv(245, 79%, 77%)
CMYK	cmyk(72.1%, 78.7%, 0%, 22.7%)
CIE-LAB	lab(30.64, 53.10, -77.32)
CIE-LCH	lch(30.64, 93.80, 304.48°)
OKLab	oklab(42.54% 0.0189 -0.2236)
OKLCH	oklch(42.54% 0.224 274.8)
XYZ	xyz(12.4782, 6.4981, 53.4091)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AC5 #B8C52A

analogous

#2A6BC5 #372AC5 #852AC5

triadic

#372AC5 #C5372A #2AC537

tetradic

#372AC5 #C52A6B #B8C52A #2AC585

square

#372AC5 #C52A6B #B8C52A #2AC585

split-complementary

#372AC5 #C5852A #6BC52A

monochromatic

#1B1460 #291F93 #372AC5 #5D52DA #8D85E5

Accessibility & contrast

On white

9.13

#372AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#372AC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AC5

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AC5	#FFFFFF	#000000	##FFFFFF
##372AC5	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC9

Deuteranopia (green-blind)

#0041C2

Tritanopia (blue-blind)

#005977

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372ac5;
/* rgb */ color: rgb(55, 42, 197);
/* oklch */ color: oklch(42.5% 0.224 274.8);

Tailwind

colors: {
  custom: {
    50: '#8467d8',
    500: '#372ac5',
    950: '#000000',
  },
}

SCSS

$custom: #372ac5;
$custom-light: #8467d8;
$custom-dark: #000000;

JSON

{
  "hex": "#372ac5",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 197
  },
  "hsl": {
    "h": 245.032,
    "s": 64.854,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42536,
    "c": 0.22441,
    "h": 274.8
  },
  "luminance": 0.06499
}

Semantic roles & 50–950 ramp

primary

#372AC5

secondary

#C7CE7D

accent

#E840DA

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #372AC5

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

Preview Lab → · Contrast checker → · Palette generator →