#3F34D1#3F34D1

#3F34D1 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.6% C 0.228 H 275.5°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F34D1
RGB	rgb(63, 52, 209)
HSL	hsl(244, 63%, 51%)
HSV	hsv(244, 75%, 82%)
CMYK	cmyk(69.9%, 75.1%, 0%, 18%)
CIE-LAB	lab(34.22, 52.42, -78.37)
CIE-LCH	lch(34.22, 94.29, 303.78°)
OKLab	oklab(45.57% 0.0219 -0.2266)
OKLCH	oklch(45.57% 0.228 275.5)
XYZ	xyz(14.7827, 8.1148, 61.0965)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F34D1 #C6D134

analogous

#3477D1 #3F34D1 #8D34D1

triadic

#3F34D1 #D13F34 #34D13F

tetradic

#3F34D1 #D13477 #C6D134 #34D18D

square

#3F34D1 #D13477 #C6D134 #34D18D

split-complementary

#3F34D1 #D18D34 #77D134

monochromatic

#201A71 #2E25A3 #3F34D1 #6E66DC #9D98E8

Accessibility & contrast

On white

8.01

#3F34D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F34D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34D1

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34D1	#FFFFFF	#000000	##FFFFFF
##3F34D1	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D5

Deuteranopia (green-blind)

#0049CE

Tritanopia (blue-blind)

#006281

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f34d1;
/* rgb */ color: rgb(63, 52, 209);
/* oklch */ color: oklch(45.6% 0.228 275.5);

Tailwind

colors: {
  custom: {
    50: '#896ee0',
    500: '#3f34d1',
    950: '#000000',
  },
}

SCSS

$custom: #3f34d1;
$custom-light: #896ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34d1",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 209
  },
  "hsl": {
    "h": 244.204,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45566,
    "c": 0.22765,
    "h": 275.5
  },
  "luminance": 0.08116
}

Semantic roles & 50–950 ramp

primary

#3F34D1

secondary

#CED38E

accent

#E642DB

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F34D1

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

Preview Lab → · Contrast checker → · Palette generator →