#372DB1#372DB1

#372DB1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.198 H 276.4°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#372DB1
RGB	rgb(55, 45, 177)
HSL	hsl(245, 59%, 44%)
HSV	hsv(245, 75%, 69%)
CMYK	cmyk(68.9%, 74.6%, 0%, 30.6%)
CIE-LAB	lab(29.06, 45.27, -68.09)
CIE-LCH	lch(29.06, 81.77, 303.62°)
OKLab	oklab(40.8% 0.022 -0.1968)
OKLCH	oklch(40.8% 0.198 276.4)
XYZ	xyz(10.4472, 5.8624, 42.1674)
Luminance	0.0586 (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

#372DB1 #A7B12D

analogous

#2D65B1 #372DB1 #792DB1

triadic

#372DB1 #B1372D #2DB137

tetradic

#372DB1 #B12D65 #A7B12D #2DB179

square

#372DB1 #B12D65 #A7B12D #2DB179

split-complementary

#372DB1 #B1792D #65B12D

monochromatic

#19144F #282180 #372DB1 #544AD1 #827BDD

Accessibility & contrast

On white

9.67

#372DB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#372DB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB1

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB1	#FFFFFF	#000000	##FFFFFF
##372DB1	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372db1;
/* rgb */ color: rgb(55, 45, 177);
/* oklch */ color: oklch(40.8% 0.198 276.4);

Tailwind

colors: {
  custom: {
    50: '#7f68ca',
    500: '#372db1',
    950: '#000000',
  },
}

SCSS

$custom: #372db1;
$custom-light: #7f68ca;
$custom-dark: #000000;

JSON

{
  "hex": "#372db1",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 177
  },
  "hsl": {
    "h": 244.545,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40803,
    "c": 0.198,
    "h": 276.4
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary

#372DB1

secondary

#C0C674

accent

#E345D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372DB1

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

Preview Lab → · Contrast checker → · Palette generator →