#372FC1#372FC1

#372FC1 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.215 H 274.7°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#372FC1
RGB	rgb(55, 47, 193)
HSL	hsl(243, 61%, 47%)
HSV	hsv(243, 76%, 76%)
CMYK	cmyk(71.5%, 75.6%, 0%, 24.3%)
CIE-LAB	lab(31.10, 49.30, -74.21)
CIE-LCH	lch(31.10, 89.09, 303.60°)
OKLab	oklab(42.74% 0.0177 -0.2146)
OKLCH	oklch(42.74% 0.215 274.7)
XYZ	xyz(12.2145, 6.6943, 51.0902)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FC1 #B9C12F

analogous

#2F70C1 #372FC1 #802FC1

triadic

#372FC1 #C1372F #2FC137

tetradic

#372FC1 #C12F70 #B9C12F #2FC180

square

#372FC1 #C12F70 #B9C12F #2FC180

split-complementary

#372FC1 #C1802F #70C12F

monochromatic

#1B175F #292390 #372FC1 #5E57D6 #8D88E2

Accessibility & contrast

On white

8.98

#372FC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#372FC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FC1

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FC1	#FFFFFF	#000000	##FFFFFF
##372FC1	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C5

Deuteranopia (green-blind)

#0042BE

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #372fc1;
/* rgb */ color: rgb(55, 47, 193);
/* oklch */ color: oklch(42.7% 0.215 274.7);

Tailwind

colors: {
  custom: {
    50: '#836ad5',
    500: '#372fc1',
    950: '#000000',
  },
}

SCSS

$custom: #372fc1;
$custom-light: #836ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#372fc1",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 193
  },
  "hsl": {
    "h": 243.288,
    "s": 60.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42736,
    "c": 0.21534,
    "h": 274.7
  },
  "luminance": 0.06696
}

Semantic roles & 50–950 ramp

primary

#372FC1

secondary

#C8CC80

accent

#E444DB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #372FC1

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

Preview Lab → · Contrast checker → · Palette generator →