#5B50BB#5B50BB

#5B50BB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.1% C 0.162 H 283.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#5B50BB
RGB	rgb(91, 80, 187)
HSL	hsl(246, 44%, 52%)
HSV	hsv(246, 57%, 73%)
CMYK	cmyk(51.3%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(40.49, 33.45, -55.22)
CIE-LCH	lch(40.49, 64.56, 301.20°)
OKLab	oklab(50.07% 0.0379 -0.158)
OKLCH	oklch(50.07% 0.162 283.5)
XYZ	xyz(16.1500, 11.5485, 48.3822)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B50BB #B0BB50

analogous

#507BBB #5B50BB #9050BB

triadic

#5B50BB #BB5B50 #50BB5B

tetradic

#5B50BB #BB507B #B0BB50 #50BB90

square

#5B50BB #BB507B #B0BB50 #50BB90

split-complementary

#5B50BB #BB9050 #7BBB50

monochromatic

#2F2868 #433A94 #5B50BB #847CCC #AEA8DD

Accessibility & contrast

On white

6.34

#5B50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#5B50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B50BB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B50BB	#FFFFFF	#000000	##FFFFFF
##5B50BB	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#36687E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b50bb;
/* rgb */ color: rgb(91, 80, 187);
/* oklch */ color: oklch(50.1% 0.162 283.5);

Tailwind

colors: {
  custom: {
    50: '#9181d0',
    500: '#5b50bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b50bb;
$custom-light: #9181d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b50bb",
  "rgb": {
    "r": 91,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 246.168,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50068,
    "c": 0.16245,
    "h": 283.5
  },
  "luminance": 0.11549
}

Semantic roles & 50–950 ramp

primary

#5B50BB

secondary

#C6CB9C

accent

#D454C7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5B50BB

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

Preview Lab → · Contrast checker → · Palette generator →