#373AC3#373AC3

#373AC3 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.5% C 0.207 H 273.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#373AC3
RGB	rgb(55, 58, 195)
HSL	hsl(239, 56%, 49%)
HSV	hsv(239, 72%, 76%)
CMYK	cmyk(71.8%, 70.3%, 0%, 23.5%)
CIE-LAB	lab(33.51, 43.76, -71.40)
CIE-LCH	lch(33.51, 83.74, 301.51°)
OKLab	oklab(44.51% 0.0116 -0.2065)
OKLCH	oklch(44.51% 0.207 273.2)
XYZ	xyz(12.9356, 7.7772, 52.4386)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373AC3 #C3C037

analogous

#3780C3 #373AC3 #7A37C3

triadic

#373AC3 #C3373A #3AC337

tetradic

#373AC3 #C33780 #C3C037 #37C37A

square

#373AC3 #C33780 #C3C037 #37C37A

split-complementary

#373AC3 #C37A37 #80C337

monochromatic

#1C1E64 #2A2C93 #373AC3 #6466D3 #9495E1

Accessibility & contrast

On white

8.22

#373AC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#373AC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373AC3

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373AC3	#FFFFFF	#000000	##FFFFFF
##373AC3	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C7

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373ac3;
/* rgb */ color: rgb(55, 58, 195);
/* oklch */ color: oklch(44.5% 0.207 273.2);

Tailwind

colors: {
  custom: {
    50: '#8271d6',
    500: '#373ac3',
    950: '#000000',
  },
}

SCSS

$custom: #373ac3;
$custom-light: #8271d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373ac3",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 195
  },
  "hsl": {
    "h": 238.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44514,
    "c": 0.20682,
    "h": 273.2
  },
  "luminance": 0.07778
}

Semantic roles & 50–950 ramp

primary

#373AC3

secondary

#CCCA8A

accent

#DC49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373AC3

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

Preview Lab → · Contrast checker → · Palette generator →