#3933CA#3933CA

#3933CA is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.3% C 0.222 H 274.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#3933CA
RGB	rgb(57, 51, 202)
HSL	hsl(242, 60%, 50%)
HSV	hsv(242, 75%, 79%)
CMYK	cmyk(71.8%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(32.92, 50.20, -76.47)
CIE-LCH	lch(32.92, 91.47, 303.28°)
OKLab	oklab(44.33% 0.0164 -0.2212)
OKLCH	oklch(44.33% 0.222 274.2)
XYZ	xyz(13.5283, 7.5004, 56.6004)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3933CA #C4CA33

analogous

#3379CA #3933CA #8533CA

triadic

#3933CA #CA3933 #33CA39

tetradic

#3933CA #CA3379 #C4CA33 #33CA85

square

#3933CA #CA3379 #C4CA33 #33CA85

split-complementary

#3933CA #CA8533 #79CA33

monochromatic

#1D1A68 #2B2799 #3933CA #6763D8 #9794E4

Accessibility & contrast

On white

8.40

#3933CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3933CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933CA

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933CA	#FFFFFF	#000000	##FFFFFF
##3933CA	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CE

Deuteranopia (green-blind)

#0046C7

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3933ca;
/* rgb */ color: rgb(57, 51, 202);
/* oklch */ color: oklch(44.3% 0.222 274.2);

Tailwind

colors: {
  custom: {
    50: '#856ddc',
    500: '#3933ca',
    950: '#000000',
  },
}

SCSS

$custom: #3933ca;
$custom-light: #856ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3933ca",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 242.384,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44331,
    "c": 0.22178,
    "h": 274.2
  },
  "luminance": 0.07502
}

Semantic roles & 50–950 ramp

primary

#3933CA

secondary

#CCCF8A

accent

#E345DD

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3933CA

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

Preview Lab → · Contrast checker → · Palette generator →