#3933D1#3933D1

#3933D1 is a mid, highly saturated blue. Relative luminance 0.078; OKLCH L 45.1% C 0.230 H 273.7°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3933D1
RGB	rgb(57, 51, 209)
HSL	hsl(242, 63%, 51%)
HSV	hsv(242, 76%, 82%)
CMYK	cmyk(72.7%, 75.6%, 0%, 18%)
CIE-LAB	lab(33.65, 52.41, -79.34)
CIE-LCH	lch(33.65, 95.08, 303.45°)
OKLab	oklab(45.06% 0.015 -0.2295)
OKLCH	oklch(45.06% 0.23 273.7)
XYZ	xyz(14.3760, 7.8395, 61.0648)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3933D1 #CBD133

analogous

#337CD1 #3933D1 #8833D1

triadic

#3933D1 #D13933 #33D139

tetradic

#3933D1 #D1337C #CBD133 #33D188

square

#3933D1 #D1337C #CBD133 #33D188

split-complementary

#3933D1 #D18833 #7CD133

monochromatic

#1D1970 #2925A2 #3933D1 #6965DC #9A97E8

Accessibility & contrast

On white

8.18

#3933D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3933D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933D1

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933D1	#FFFFFF	#000000	##FFFFFF
##3933D1	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D6

Deuteranopia (green-blind)

#0048CE

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3933d1;
/* rgb */ color: rgb(57, 51, 209);
/* oklch */ color: oklch(45.1% 0.230 273.7);

Tailwind

colors: {
  custom: {
    50: '#876de1',
    500: '#3933d1',
    950: '#000000',
  },
}

SCSS

$custom: #3933d1;
$custom-light: #876de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3933d1",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 209
  },
  "hsl": {
    "h": 242.278,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45059,
    "c": 0.23001,
    "h": 273.7
  },
  "luminance": 0.07841
}

Semantic roles & 50–950 ramp

primary

#3933D1

secondary

#D0D38D

accent

#E642E0

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #3933D1

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

Preview Lab → · Contrast checker → · Palette generator →