#372DAA#372DAA

#372DAA is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.189 H 277.1°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#372DAA
RGB	rgb(55, 45, 170)
HSL	hsl(245, 58%, 42%)
HSV	hsv(245, 74%, 67%)
CMYK	cmyk(67.6%, 73.5%, 0%, 33.3%)
CIE-LAB	lab(28.35, 43.01, -65.06)
CIE-LCH	lch(28.35, 77.99, 303.47°)
OKLab	oklab(40.09% 0.0235 -0.1879)
OKLCH	oklch(40.09% 0.189 277.1)
XYZ	xyz(9.7673, 5.5904, 38.5868)
Luminance	0.0559 (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

#372DAA #A0AA2D

analogous

#2D62AA #372DAA #762DAA

triadic

#372DAA #AA372D #2DAA37

tetradic

#372DAA #AA2D62 #A0AA2D #2DAA76

square

#372DAA #AA2D62 #A0AA2D #2DAA76

split-complementary

#372DAA #AA762D #62AA2D

monochromatic

#181349 #27207A #372DAA #5146CE #7F77DB

Accessibility & contrast

On white

9.91

#372DAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#372DAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DAA

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DAA	#FFFFFF	#000000	##FFFFFF
##372DAA	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AE

Deuteranopia (green-blind)

#003DA8

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372daa;
/* rgb */ color: rgb(55, 45, 170);
/* oklch */ color: oklch(40.1% 0.189 277.1);

Tailwind

colors: {
  custom: {
    50: '#7e68c4',
    500: '#372daa',
    950: '#000000',
  },
}

SCSS

$custom: #372daa;
$custom-light: #7e68c4;
$custom-dark: #000000;

JSON

{
  "hex": "#372daa",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 170
  },
  "hsl": {
    "h": 244.8,
    "s": 58.14,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40089,
    "c": 0.1894,
    "h": 277.1
  },
  "luminance": 0.05591
}

Semantic roles & 50–950 ramp

primary

#372DAA

secondary

#BCC370

accent

#E146D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372DAA

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

Preview Lab → · Contrast checker → · Palette generator →