#3E37C9#3E37C9

#3E37C9 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.1% C 0.216 H 275.5°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3E37C9
RGB	rgb(62, 55, 201)
HSL	hsl(243, 57%, 50%)
HSV	hsv(243, 73%, 79%)
CMYK	cmyk(69.2%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(33.93, 48.18, -74.21)
CIE-LCH	lch(33.93, 88.48, 302.99°)
OKLab	oklab(45.1% 0.0207 -0.2145)
OKLCH	oklch(45.1% 0.216 275.5)
XYZ	xyz(13.8919, 7.9723, 56.0537)
Luminance	0.0797 (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

#3E37C9 #C2C937

analogous

#3779C9 #3E37C9 #8737C9

triadic

#3E37C9 #C93E37 #37C93E

tetradic

#3E37C9 #C93779 #C2C937 #37C987

square

#3E37C9 #C93779 #C2C937 #37C987

split-complementary

#3E37C9 #C98737 #79C937

monochromatic

#201C69 #2F2999 #3E37C9 #6D67D6 #9B97E3

Accessibility & contrast

On white

8.09

#3E37C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3E37C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37C9

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37C9	#FFFFFF	#000000	##FFFFFF
##3E37C9	1.00	8.09	2.59	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CD

Deuteranopia (green-blind)

#0049C6

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3e37c9;
/* rgb */ color: rgb(62, 55, 201);
/* oklch */ color: oklch(45.1% 0.216 275.5);

Tailwind

colors: {
  custom: {
    50: '#8770db',
    500: '#3e37c9',
    950: '#000000',
  },
}

SCSS

$custom: #3e37c9;
$custom-light: #8770db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37c9",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 242.877,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.451,
    "c": 0.21551,
    "h": 275.5
  },
  "luminance": 0.07974
}

Semantic roles & 50–950 ramp

primary

#3E37C9

secondary

#CBCF8D

accent

#E147D9

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3E37C9

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

Preview Lab → · Contrast checker → · Palette generator →