#5B43DD#5B43DD

#5B43DD is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.8% C 0.221 H 282.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#5B43DD
RGB	rgb(91, 67, 221)
HSL	hsl(249, 69%, 56%)
HSV	hsv(249, 70%, 87%)
CMYK	cmyk(58.8%, 69.7%, 0%, 13.3%)
CIE-LAB	lab(40.34, 51.38, -75.13)
CIE-LCH	lch(40.34, 91.02, 304.37°)
OKLab	oklab(50.79% 0.0468 -0.2164)
OKLCH	oklch(50.79% 0.221 282.2)
XYZ	xyz(19.3686, 11.4576, 69.5835)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B43DD #C5DD43

analogous

#4378DD #5B43DD #A843DD

triadic

#5B43DD #DD5B43 #43DD5B

tetradic

#5B43DD #DD4378 #C5DD43 #43DDA8

square

#5B43DD #DD4378 #C5DD43 #43DDA8

split-complementary

#5B43DD #DDA843 #78DD43

monochromatic

#2B198C #3B23C0 #5B43DD #8877E6 #B5ABF0

Accessibility & contrast

On white

6.38

#5B43DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#5B43DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B43DD

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B43DD	#FFFFFF	#000000	##FFFFFF
##5B43DD	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E2

Deuteranopia (green-blind)

#005ADA

Tritanopia (blue-blind)

#006C8B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b43dd;
/* rgb */ color: rgb(91, 67, 221);
/* oklch */ color: oklch(50.8% 0.221 282.2);

Tailwind

colors: {
  custom: {
    50: '#9779e9',
    500: '#5b43dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b43dd;
$custom-light: #9779e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b43dd",
  "rgb": {
    "r": 91,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 249.351,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.50792,
    "c": 0.22145,
    "h": 282.2
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary

#5B43DD

secondary

#D4DE9E

accent

#EC3CD1

background

#FAF7FE

surface

#F3EEFD

border

#CDC9D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5B43DD

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

Preview Lab → · Contrast checker → · Palette generator →