#3E37D8#3E37D8

#3E37D8 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.6% C 0.233 H 274.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3E37D8
RGB	rgb(62, 55, 216)
HSL	hsl(243, 67%, 53%)
HSV	hsv(243, 75%, 85%)
CMYK	cmyk(71.3%, 74.5%, 0%, 15.3%)
CIE-LAB	lab(35.43, 52.93, -80.43)
CIE-LCH	lch(35.43, 96.28, 303.35°)
OKLab	oklab(46.61% 0.0178 -0.2326)
OKLCH	oklch(46.61% 0.233 274.4)
XYZ	xyz(15.7434, 8.7128, 65.8045)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E37D8 #D1D837

analogous

#3780D8 #3E37D8 #8F37D8

triadic

#3E37D8 #D83E37 #37D83E

tetradic

#3E37D8 #D83780 #D1D837 #37D88F

square

#3E37D8 #D83780 #D1D837 #37D88F

split-complementary

#3E37D8 #D88F37 #80D837

monochromatic

#1D187C #2822B0 #3E37D8 #6F6AE2 #A19DEC

Accessibility & contrast

On white

7.66

#3E37D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3E37D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37D8

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37D8	#FFFFFF	#000000	##FFFFFF
##3E37D8	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDD

Deuteranopia (green-blind)

#004CD5

Tritanopia (blue-blind)

#006685

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3e37d8;
/* rgb */ color: rgb(62, 55, 216);
/* oklch */ color: oklch(46.6% 0.233 274.4);

Tailwind

colors: {
  custom: {
    50: '#8a70e5',
    500: '#3e37d8',
    950: '#000000',
  },
}

SCSS

$custom: #3e37d8;
$custom-light: #8a70e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37d8",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 216
  },
  "hsl": {
    "h": 242.609,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46611,
    "c": 0.23331,
    "h": 274.4
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#3E37D8

secondary

#D5D893

accent

#EA3EE3

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3E37D8

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

Preview Lab → · Contrast checker → · Palette generator →