#372599#372599

#372599 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.2% C 0.177 H 280.6°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#372599
RGB	rgb(55, 37, 153)
HSL	hsl(249, 61%, 37%)
HSV	hsv(249, 76%, 60%)
CMYK	cmyk(64.1%, 75.8%, 0%, 40%)
CIE-LAB	lab(25.06, 42.01, -60.16)
CIE-LCH	lch(25.06, 73.38, 304.92°)
OKLab	oklab(37.24% 0.0324 -0.1736)
OKLCH	oklch(37.24% 0.177 280.6)
XYZ	xyz(7.9851, 4.4347, 30.5660)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372599 #879925

analogous

#254D99 #372599 #712599

triadic

#372599 #993725 #259937

tetradic

#372599 #99254D #879925 #259971

square

#372599 #99254D #879925 #259971

split-complementary

#372599 #997125 #4D9925

monochromatic

#140D36 #251968 #372599 #4931CA #7360D9

Accessibility & contrast

On white

11.13

#372599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#372599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372599

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372599	#FFFFFF	#000000	##FFFFFF
##372599	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409C

Deuteranopia (green-blind)

#003797

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #372599;
/* rgb */ color: rgb(55, 37, 153);
/* oklch */ color: oklch(37.2% 0.177 280.6);

Tailwind

colors: {
  custom: {
    50: '#7b62b8',
    500: '#372599',
    950: '#000000',
  },
}

SCSS

$custom: #372599;
$custom-light: #7b62b8;
$custom-dark: #000000;

JSON

{
  "hex": "#372599",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 153
  },
  "hsl": {
    "h": 249.31,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3724,
    "c": 0.17659,
    "h": 280.6
  },
  "luminance": 0.04435
}

Semantic roles & 50–950 ramp

primary

#372599

secondary

#AFBE5C

accent

#E444CB

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #372599

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

Preview Lab → · Contrast checker → · Palette generator →