#3E37D9#3E37D9

#3E37D9 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.7% C 0.234 H 274.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3E37D9
RGB	rgb(62, 55, 217)
HSL	hsl(243, 68%, 53%)
HSV	hsv(243, 75%, 85%)
CMYK	cmyk(71.4%, 74.7%, 0%, 14.9%)
CIE-LAB	lab(35.53, 53.24, -80.84)
CIE-LCH	lch(35.53, 96.80, 303.37°)
OKLab	oklab(46.71% 0.0176 -0.2338)
OKLCH	oklch(46.71% 0.234 274.3)
XYZ	xyz(15.8730, 8.7647, 66.4874)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E37D9 #D2D937

analogous

#3781D9 #3E37D9 #8F37D9

triadic

#3E37D9 #D93E37 #37D93E

tetradic

#3E37D9 #D93781 #D2D937 #37D98F

square

#3E37D9 #D93781 #D2D937 #37D98F

split-complementary

#3E37D9 #D98F37 #81D937

monochromatic

#1C187E #2822B1 #3E37D9 #706AE3 #A19EED

Accessibility & contrast

On white

7.63

#3E37D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3E37D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37D9

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37D9	#FFFFFF	#000000	##FFFFFF
##3E37D9	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDE

Deuteranopia (green-blind)

#004CD6

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3e37d9;
/* rgb */ color: rgb(62, 55, 217);
/* oklch */ color: oklch(46.7% 0.234 274.3);

Tailwind

colors: {
  custom: {
    50: '#8a70e6',
    500: '#3e37d9',
    950: '#000000',
  },
}

SCSS

$custom: #3e37d9;
$custom-light: #8a70e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37d9",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 217
  },
  "hsl": {
    "h": 242.593,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.46714,
    "c": 0.23447,
    "h": 274.3
  },
  "luminance": 0.08766
}

Semantic roles & 50–950 ramp

primary

#3E37D9

secondary

#D6D993

accent

#EB3DE3

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3E37D9

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

Preview Lab → · Contrast checker → · Palette generator →