#373ACA#373ACA

#373ACA is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.2% C 0.215 H 272.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#373ACA
RGB	rgb(55, 58, 202)
HSL	hsl(239, 58%, 50%)
HSV	hsv(239, 73%, 79%)
CMYK	cmyk(72.8%, 71.3%, 0%, 20.8%)
CIE-LAB	lab(34.19, 46.10, -74.37)
CIE-LCH	lch(34.19, 87.50, 301.79°)
OKLab	oklab(45.21% 0.0106 -0.2152)
OKLCH	oklch(45.21% 0.215 272.8)
XYZ	xyz(13.7457, 8.1012, 56.7049)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373ACA #CAC737

analogous

#3783CA #373ACA #7E37CA

triadic

#373ACA #CA373A #3ACA37

tetradic

#373ACA #CA3783 #CAC737 #37CA7E

square

#373ACA #CA3783 #CAC737 #37CA7E

split-complementary

#373ACA #CA7E37 #83CA37

monochromatic

#1C1E6A #292B9B #373ACA #676AD7 #9899E4

Accessibility & contrast

On white

8.01

#373ACA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#373ACA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ACA

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ACA	#FFFFFF	#000000	##FFFFFF
##373ACA	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CE

Deuteranopia (green-blind)

#0049C7

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #373aca;
/* rgb */ color: rgb(55, 58, 202);
/* oklch */ color: oklch(45.2% 0.215 272.8);

Tailwind

colors: {
  custom: {
    50: '#8471db',
    500: '#373aca',
    950: '#000000',
  },
}

SCSS

$custom: #373aca;
$custom-light: #8471db;
$custom-dark: #000000;

JSON

{
  "hex": "#373aca",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 202
  },
  "hsl": {
    "h": 238.776,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45205,
    "c": 0.21542,
    "h": 272.8
  },
  "luminance": 0.08103
}

Semantic roles & 50–950 ramp

primary

#373ACA

secondary

#CFCE8E

accent

#DE46E1

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #373ACA

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

Preview Lab → · Contrast checker → · Palette generator →