#3933BE#3933BE

#3933BE is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.207 H 275.2°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3933BE
RGB	rgb(57, 51, 190)
HSL	hsl(243, 58%, 47%)
HSV	hsv(243, 73%, 75%)
CMYK	cmyk(70%, 73.2%, 0%, 25.5%)
CIE-LAB	lab(31.70, 46.35, -71.44)
CIE-LCH	lch(31.70, 85.16, 302.97°)
OKLab	oklab(43.11% 0.0187 -0.2065)
OKLCH	oklch(43.11% 0.207 275.2)
XYZ	xyz(12.1624, 6.9541, 49.4065)
Luminance	0.0696 (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

#3933BE #B8BE33

analogous

#3373BE #3933BE #7F33BE

triadic

#3933BE #BE3933 #33BE39

tetradic

#3933BE #BE3373 #B8BE33 #33BE7F

square

#3933BE #BE3373 #B8BE33 #33BE7F

split-complementary

#3933BE #BE7F33 #73BE33

monochromatic

#1C195E #2B268E #3933BE #605BD3 #8F8BE0

Accessibility & contrast

On white

8.78

#3933BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3933BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933BE

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933BE	#FFFFFF	#000000	##FFFFFF
##3933BE	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C2

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3933be;
/* rgb */ color: rgb(57, 51, 190);
/* oklch */ color: oklch(43.1% 0.207 275.2);

Tailwind

colors: {
  custom: {
    50: '#826dd3',
    500: '#3933be',
    950: '#000000',
  },
}

SCSS

$custom: #3933be;
$custom-light: #826dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3933be",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 190
  },
  "hsl": {
    "h": 242.59,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43105,
    "c": 0.20738,
    "h": 275.2
  },
  "luminance": 0.06955
}

Semantic roles & 50–950 ramp

primary

#3933BE

secondary

#C7CA83

accent

#E147DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3933BE

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

Preview Lab → · Contrast checker → · Palette generator →