#372FB7#372FB7

#372FB7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.203 H 275.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#372FB7
RGB	rgb(55, 47, 183)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 74%, 72%)
CMYK	cmyk(69.9%, 74.3%, 0%, 28.2%)
CIE-LAB	lab(30.07, 46.10, -70.00)
CIE-LCH	lch(30.07, 83.82, 303.37°)
OKLab	oklab(41.7% 0.0197 -0.2024)
OKLCH	oklch(41.7% 0.203 275.6)
XYZ	xyz(11.1365, 6.2631, 45.4126)
Luminance	0.0626 (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

#372FB7 #AFB72F

analogous

#2F6BB7 #372FB7 #7B2FB7

triadic

#372FB7 #B7372F #2FB737

tetradic

#372FB7 #B72F6B #AFB72F #2FB77B

square

#372FB7 #B72F6B #AFB72F #2FB77B

split-complementary

#372FB7 #B77B2F #6BB72F

monochromatic

#1A1656 #282286 #372FB7 #5951D2 #8782DF

Accessibility & contrast

On white

9.32

#372FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#372FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FB7

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FB7	#FFFFFF	#000000	##FFFFFF
##372FB7	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372fb7;
/* rgb */ color: rgb(55, 47, 183);
/* oklch */ color: oklch(41.7% 0.203 275.6);

Tailwind

colors: {
  custom: {
    50: '#806ace',
    500: '#372fb7',
    950: '#000000',
  },
}

SCSS

$custom: #372fb7;
$custom-light: #806ace;
$custom-dark: #000000;

JSON

{
  "hex": "#372fb7",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 183
  },
  "hsl": {
    "h": 243.529,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41697,
    "c": 0.20333,
    "h": 275.6
  },
  "luminance": 0.06264
}

Semantic roles & 50–950 ramp

primary

#372FB7

secondary

#C3C87A

accent

#E245D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372FB7

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

Preview Lab → · Contrast checker → · Palette generator →