#373EC3#373EC3

#373EC3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.1% C 0.203 H 272.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#373EC3
RGB	rgb(55, 62, 195)
HSL	hsl(237, 56%, 49%)
HSV	hsv(237, 72%, 76%)
CMYK	cmyk(71.8%, 68.2%, 0%, 23.5%)
CIE-LAB	lab(34.39, 41.38, -69.96)
CIE-LCH	lch(34.39, 81.28, 300.60°)
OKLab	oklab(45.14% 0.0093 -0.2023)
OKLCH	oklch(45.14% 0.203 272.6)
XYZ	xyz(13.1452, 8.1963, 52.5085)
Luminance	0.0820 (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

#373EC3 #C3BC37

analogous

#3784C3 #373EC3 #7637C3

triadic

#373EC3 #C3373E #3EC337

tetradic

#373EC3 #C33784 #C3BC37 #37C376

square

#373EC3 #C33784 #C3BC37 #37C376

split-complementary

#373EC3 #C37637 #84C337

monochromatic

#1C2064 #2A2F93 #373EC3 #646AD3 #9498E1

Accessibility & contrast

On white

7.96

#373EC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#373EC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373EC3

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373EC3	#FFFFFF	#000000	##FFFFFF
##373EC3	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C7

Deuteranopia (green-blind)

#004AC1

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #373ec3;
/* rgb */ color: rgb(55, 62, 195);
/* oklch */ color: oklch(45.1% 0.203 272.6);

Tailwind

colors: {
  custom: {
    50: '#8274d6',
    500: '#373ec3',
    950: '#000000',
  },
}

SCSS

$custom: #373ec3;
$custom-light: #8274d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373ec3",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 195
  },
  "hsl": {
    "h": 237,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45144,
    "c": 0.2025,
    "h": 272.6
  },
  "luminance": 0.08198
}

Semantic roles & 50–950 ramp

primary

#373EC3

secondary

#CCC98A

accent

#D849DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373EC3

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

Preview Lab → · Contrast checker → · Palette generator →