#372FAE#372FAE

#372FAE is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.192 H 276.4°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#372FAE
RGB	rgb(55, 47, 174)
HSL	hsl(244, 57%, 43%)
HSV	hsv(244, 73%, 68%)
CMYK	cmyk(68.4%, 73%, 0%, 31.8%)
CIE-LAB	lab(29.16, 43.18, -66.13)
CIE-LCH	lch(29.16, 78.98, 303.14°)
OKLab	oklab(40.78% 0.0215 -0.1911)
OKLCH	oklch(40.78% 0.192 276.4)
XYZ	xyz(10.2295, 5.9003, 40.6360)
Luminance	0.0590 (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

#372FAE #A6AE2F

analogous

#2F66AE #372FAE #772FAE

triadic

#372FAE #AE372F #2FAE37

tetradic

#372FAE #AE2F66 #A6AE2F #2FAE77

square

#372FAE #AE2F66 #A6AE2F #2FAE77

split-complementary

#372FAE #AE772F #66AE2F

monochromatic

#19154E #28227E #372FAE #544CCF #827CDC

Accessibility & contrast

On white

9.63

#372FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#372FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FAE

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FAE	#FFFFFF	#000000	##FFFFFF
##372FAE	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB2

Deuteranopia (green-blind)

#003FAC

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372fae;
/* rgb */ color: rgb(55, 47, 174);
/* oklch */ color: oklch(40.8% 0.192 276.4);

Tailwind

colors: {
  custom: {
    50: '#7f69c7',
    500: '#372fae',
    950: '#000000',
  },
}

SCSS

$custom: #372fae;
$custom-light: #7f69c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372fae",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 174
  },
  "hsl": {
    "h": 243.78,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40781,
    "c": 0.19229,
    "h": 276.4
  },
  "luminance": 0.05901
}

Semantic roles & 50–950 ramp

primary

#372FAE

secondary

#BFC475

accent

#E147D7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372FAE

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

Preview Lab → · Contrast checker → · Palette generator →