#372ED5#372ED5

#372ED5 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.7% C 0.239 H 273.3°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#372ED5
RGB	rgb(55, 46, 213)
HSL	hsl(243, 67%, 51%)
HSV	hsv(243, 78%, 84%)
CMYK	cmyk(74.2%, 78.4%, 0%, 16.5%)
CIE-LAB	lab(33.07, 56.02, -82.61)
CIE-LCH	lch(33.07, 99.82, 304.14°)
OKLab	oklab(44.75% 0.0137 -0.239)
OKLCH	oklch(44.75% 0.239 273.3)
XYZ	xyz(14.5588, 7.5688, 63.6315)
Luminance	0.0757 (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

#372ED5 #CCD52E

analogous

#2E78D5 #372ED5 #8B2ED5

triadic

#372ED5 #D5372E #2ED537

tetradic

#372ED5 #D52E78 #CCD52E #2ED58B

square

#372ED5 #D52E78 #CCD52E #2ED58B

split-complementary

#372ED5 #D58B2E #78D52E

monochromatic

#1C1772 #2821A5 #372ED5 #6861DF #9994E9

Accessibility & contrast

On white

8.35

#372ED5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#372ED5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372ED5

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372ED5	#FFFFFF	#000000	##FFFFFF
##372ED5	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055DA

Deuteranopia (green-blind)

#0046D2

Tritanopia (blue-blind)

#006181

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #372ed5;
/* rgb */ color: rgb(55, 46, 213);
/* oklch */ color: oklch(44.7% 0.239 273.3);

Tailwind

colors: {
  custom: {
    50: '#876be3',
    500: '#372ed5',
    950: '#000000',
  },
}

SCSS

$custom: #372ed5;
$custom-light: #876be3;
$custom-dark: #000000;

JSON

{
  "hex": "#372ed5",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 213
  },
  "hsl": {
    "h": 243.234,
    "s": 66.534,
    "l": 50.784
  },
  "oklch": {
    "l": 0.44747,
    "c": 0.23941,
    "h": 273.3
  },
  "luminance": 0.0757
}

Semantic roles & 50–950 ramp

primary

#372ED5

secondary

#D0D48A

accent

#E93EE0

background

#F9F6FE

surface

#F2EBFC

border

#CCC6D5

text

#0D0716

muted

#7E7A84

Preview Lab

Preview with #372ED5

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

Preview Lab → · Contrast checker → · Palette generator →