#372DB0#372DB0

#372DB0 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.7% C 0.197 H 276.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#372DB0
RGB	rgb(55, 45, 176)
HSL	hsl(245, 59%, 43%)
HSV	hsv(245, 74%, 69%)
CMYK	cmyk(68.8%, 74.4%, 0%, 31%)
CIE-LAB	lab(28.96, 44.95, -67.66)
CIE-LCH	lch(28.96, 81.23, 303.60°)
OKLab	oklab(40.7% 0.0223 -0.1955)
OKLCH	oklch(40.7% 0.197 276.5)
XYZ	xyz(10.3478, 5.8227, 41.6444)
Luminance	0.0582 (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

#372DB0 #A6B02D

analogous

#2D64B0 #372DB0 #782DB0

triadic

#372DB0 #B0372D #2DB037

tetradic

#372DB0 #B02D64 #A6B02D #2DB078

square

#372DB0 #B02D64 #A6B02D #2DB078

split-complementary

#372DB0 #B0782D #64B02D

monochromatic

#19144F #28217F #372DB0 #544AD1 #827ADD

Accessibility & contrast

On white

9.70

#372DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#372DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB0

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB0	#FFFFFF	#000000	##FFFFFF
##372DB0	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#003EAE

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372db0;
/* rgb */ color: rgb(55, 45, 176);
/* oklch */ color: oklch(40.7% 0.197 276.5);

Tailwind

colors: {
  custom: {
    50: '#7f68c9',
    500: '#372db0',
    950: '#000000',
  },
}

SCSS

$custom: #372db0;
$custom-light: #7f68c9;
$custom-dark: #000000;

JSON

{
  "hex": "#372db0",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 176
  },
  "hsl": {
    "h": 244.58,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.407,
    "c": 0.19678,
    "h": 276.5
  },
  "luminance": 0.05824
}

Semantic roles & 50–950 ramp

primary

#372DB0

secondary

#BFC573

accent

#E245D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372DB0

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

Preview Lab → · Contrast checker → · Palette generator →