#372EB3#372EB3

#372EB3 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.1% C 0.199 H 276.1°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#372EB3
RGB	rgb(55, 46, 179)
HSL	hsl(244, 59%, 44%)
HSV	hsv(244, 74%, 70%)
CMYK	cmyk(69.3%, 74.3%, 0%, 29.8%)
CIE-LAB	lab(29.46, 45.37, -68.62)
CIE-LCH	lch(29.46, 82.26, 303.47°)
OKLab	oklab(41.15% 0.0211 -0.1983)
OKLCH	oklch(41.15% 0.199 276.1)
XYZ	xyz(10.6866, 6.0199, 43.2379)
Luminance	0.0602 (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

#372EB3 #AAB32E

analogous

#2E68B3 #372EB3 #7A2EB3

triadic

#372EB3 #B3372E #2EB337

tetradic

#372EB3 #B32E68 #AAB32E #2EB37A

square

#372EB3 #B32E68 #AAB32E #2EB37A

split-complementary

#372EB3 #B37A2E #68B32E

monochromatic

#191552 #282182 #372EB3 #564DD1 #847EDE

Accessibility & contrast

On white

9.53

#372EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#372EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EB3

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EB3	#FFFFFF	#000000	##FFFFFF
##372EB3	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372eb3;
/* rgb */ color: rgb(55, 46, 179);
/* oklch */ color: oklch(41.1% 0.199 276.1);

Tailwind

colors: {
  custom: {
    50: '#8069cb',
    500: '#372eb3',
    950: '#000000',
  },
}

SCSS

$custom: #372eb3;
$custom-light: #8069cb;
$custom-dark: #000000;

JSON

{
  "hex": "#372eb3",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 179
  },
  "hsl": {
    "h": 244.06,
    "s": 59.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41147,
    "c": 0.19945,
    "h": 276.1
  },
  "luminance": 0.06021
}

Semantic roles & 50–950 ramp

primary

#372EB3

secondary

#C1C676

accent

#E246D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372EB3

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

Preview Lab → · Contrast checker → · Palette generator →