#5B45CB#5B45CB

#5B45CB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.5% C 0.197 H 284.0°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B45CB
RGB	rgb(91, 69, 203)
HSL	hsl(250, 56%, 53%)
HSV	hsv(250, 66%, 80%)
CMYK	cmyk(55.2%, 66%, 0%, 20.4%)
CIE-LAB	lab(39.23, 44.87, -66.59)
CIE-LCH	lch(39.23, 80.30, 303.97°)
OKLab	oklab(49.52% 0.0479 -0.1914)
OKLCH	oklch(49.52% 0.197 284)
XYZ	xyz(17.2187, 10.7912, 57.6639)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.68

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B45CB #B5CB45

analogous

#4572CB #5B45CB #9E45CB

triadic

#5B45CB #CB5B45 #45CB5B

tetradic

#5B45CB #CB4572 #B5CB45 #45CB9E

square

#5B45CB #CB4572 #B5CB45 #45CB9E

split-complementary

#5B45CB #CB9E45 #72CB45

monochromatic

#2F2175 #422EA5 #5B45CB #8575D8 #AFA5E6

Accessibility & contrast

On white

6.65

#5B45CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#5B45CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B45CB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B45CB	#FFFFFF	#000000	##FFFFFF
##5B45CB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CF

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#276782

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #5b45cb;
/* rgb */ color: rgb(91, 69, 203);
/* oklch */ color: oklch(49.5% 0.197 284.0);

Tailwind

colors: {
  custom: {
    50: '#947adc',
    500: '#5b45cb',
    950: '#000000',
  },
}

SCSS

$custom: #5b45cb;
$custom-light: #947adc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b45cb",
  "rgb": {
    "r": 91,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 249.851,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.49524,
    "c": 0.19732,
    "h": 284
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary

#5B45CB

secondary

#C9D399

accent

#E048C7

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5B45CB

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

Preview Lab → · Contrast checker → · Palette generator →