#5B4FCB#5B4FCB

#5B4FCB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 51.1% C 0.185 H 282.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5B4FCB
RGB	rgb(91, 79, 203)
HSL	hsl(246, 54%, 55%)
HSV	hsv(246, 61%, 80%)
CMYK	cmyk(55.2%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(41.42, 39.04, -63.03)
CIE-LCH	lch(41.42, 74.14, 301.78°)
OKLab	oklab(51.12% 0.0385 -0.1809)
OKLCH	oklch(51.12% 0.185 282)
XYZ	xyz(17.8865, 12.1268, 57.8865)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B4FCB #BFCB4F

analogous

#4F81CB #5B4FCB #994FCB

triadic

#5B4FCB #CB5B4F #4FCB5B

tetradic

#5B4FCB #CB4F81 #BFCB4F #4FCB99

square

#5B4FCB #CB4F81 #BFCB4F #4FCB99

split-complementary

#5B4FCB #CB994F #81CB4F

monochromatic

#2D247B #3E32AA #5B4FCB #877ED9 #B3ADE7

Accessibility & contrast

On white

6.13

#5B4FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5B4FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B4FCB

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B4FCB	#FFFFFF	#000000	##FFFFFF
##5B4FCB	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#256D85

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5b4fcb;
/* rgb */ color: rgb(91, 79, 203);
/* oklch */ color: oklch(51.1% 0.185 282.0);

Tailwind

colors: {
  custom: {
    50: '#9381dc',
    500: '#5b4fcb',
    950: '#000000',
  },
}

SCSS

$custom: #5b4fcb;
$custom-light: #9381dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b4fcb",
  "rgb": {
    "r": 91,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 245.806,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51118,
    "c": 0.18496,
    "h": 282
  },
  "luminance": 0.12128
}

Semantic roles & 50–950 ramp

primary

#5B4FCB

secondary

#D0D5A1

accent

#DE4ACF

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5B4FCB

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

Preview Lab → · Contrast checker → · Palette generator →