#3E37D0#3E37D0

#3E37D0 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.224 H 275.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3E37D0
RGB	rgb(62, 55, 208)
HSL	hsl(243, 62%, 52%)
HSV	hsv(243, 74%, 82%)
CMYK	cmyk(70.2%, 73.6%, 0%, 18.4%)
CIE-LAB	lab(34.62, 50.41, -77.14)
CIE-LCH	lch(34.62, 92.15, 303.17°)
OKLab	oklab(45.8% 0.0194 -0.223)
OKLCH	oklch(45.8% 0.224 275)
XYZ	xyz(14.7342, 8.3092, 60.4896)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E37D0 #C9D037

analogous

#377DD0 #3E37D0 #8B37D0

triadic

#3E37D0 #D03E37 #37D03E

tetradic

#3E37D0 #D0377D #C9D037 #37D08B

square

#3E37D0 #D0377D #C9D037 #37D08B

split-complementary

#3E37D0 #D08B37 #7DD037

monochromatic

#1F1B72 #2C26A3 #3E37D0 #6E69DC #9E9AE7

Accessibility & contrast

On white

7.89

#3E37D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3E37D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37D0

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37D0	#FFFFFF	#000000	##FFFFFF
##3E37D0	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D4

Deuteranopia (green-blind)

#004ACD

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3e37d0;
/* rgb */ color: rgb(62, 55, 208);
/* oklch */ color: oklch(45.8% 0.224 275.0);

Tailwind

colors: {
  custom: {
    50: '#8870e0',
    500: '#3e37d0',
    950: '#000000',
  },
}

SCSS

$custom: #3e37d0;
$custom-light: #8870e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37d0",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 208
  },
  "hsl": {
    "h": 242.745,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.458,
    "c": 0.22389,
    "h": 275
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary

#3E37D0

secondary

#D0D390

accent

#E543DE

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3E37D0

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

Preview Lab → · Contrast checker → · Palette generator →