#373199#373199

#373199 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.163 H 278.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#373199
RGB	rgb(55, 49, 153)
HSL	hsl(243, 51%, 40%)
HSV	hsv(243, 68%, 60%)
CMYK	cmyk(64.1%, 68%, 0%, 40%)
CIE-LAB	lab(27.60, 35.00, -56.00)
CIE-LCH	lch(27.60, 66.04, 302.00°)
OKLab	oklab(39.05% 0.0234 -0.1614)
OKLCH	oklch(39.05% 0.163 278.3)
XYZ	xyz(8.4218, 5.3081, 30.7116)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373199 #939931

analogous

#315F99 #373199 #6B3199

triadic

#373199 #993731 #319937

tetradic

#373199 #99315F #939931 #31996B

square

#373199 #99315F #939931 #31996B

split-complementary

#373199 #996B31 #5F9931

monochromatic

#16133C #26226B #373199 #4B44C3 #7872D2

Accessibility & contrast

On white

10.19

#373199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#373199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373199

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373199	#FFFFFF	#000000	##FFFFFF
##373199	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #373199;
/* rgb */ color: rgb(55, 49, 153);
/* oklch */ color: oklch(39.1% 0.163 278.3);

Tailwind

colors: {
  custom: {
    50: '#7a6ab8',
    500: '#373199',
    950: '#000000',
  },
}

SCSS

$custom: #373199;
$custom-light: #7a6ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#373199",
  "rgb": {
    "r": 55,
    "g": 49,
    "b": 153
  },
  "hsl": {
    "h": 243.462,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39052,
    "c": 0.16314,
    "h": 278.3
  },
  "luminance": 0.05309
}

Semantic roles & 50–950 ramp

primary

#373199

secondary

#B5BA6C

accent

#DB4DD3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #373199

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

Preview Lab → · Contrast checker → · Palette generator →