#372BBF#372BBF

#372BBF is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.217 H 275.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#372BBF
RGB	rgb(55, 43, 191)
HSL	hsl(245, 63%, 46%)
HSV	hsv(245, 77%, 75%)
CMYK	cmyk(71.2%, 77.5%, 0%, 25.1%)
CIE-LAB	lab(30.16, 50.76, -74.59)
CIE-LCH	lch(30.16, 90.22, 304.24°)
OKLab	oklab(42.01% 0.0199 -0.2157)
OKLCH	oklch(42.01% 0.217 275.3)
XYZ	xyz(11.8403, 6.3004, 49.8722)
Luminance	0.0630 (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

#372BBF #B3BF2B

analogous

#2B69BF #372BBF #812BBF

triadic

#372BBF #BF372B #2BBF37

tetradic

#372BBF #BF2B69 #B3BF2B #2BBF81

square

#372BBF #BF2B69 #B3BF2B #2BBF81

split-complementary

#372BBF #BF812B #69BF2B

monochromatic

#1A155B #29208D #372BBF #5B50D8 #8A82E3

Accessibility & contrast

On white

9.29

#372BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#372BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BBF

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BBF	#FFFFFF	#000000	##FFFFFF
##372BBF	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC3

Deuteranopia (green-blind)

#0040BC

Tritanopia (blue-blind)

#005774

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372bbf;
/* rgb */ color: rgb(55, 43, 191);
/* oklch */ color: oklch(42.0% 0.217 275.3);

Tailwind

colors: {
  custom: {
    50: '#8368d4',
    500: '#372bbf',
    950: '#000000',
  },
}

SCSS

$custom: #372bbf;
$custom-light: #8368d4;
$custom-dark: #000000;

JSON

{
  "hex": "#372bbf",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 191
  },
  "hsl": {
    "h": 244.865,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4201,
    "c": 0.21659,
    "h": 275.3
  },
  "luminance": 0.06302
}

Semantic roles & 50–950 ramp

primary

#372BBF

secondary

#C5CC7A

accent

#E642D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #372BBF

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

Preview Lab → · Contrast checker → · Palette generator →