#5D51BB#5D51BB

#5D51BB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.4% C 0.161 H 284.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#5D51BB
RGB	rgb(93, 81, 187)
HSL	hsl(247, 44%, 53%)
HSV	hsv(247, 57%, 73%)
CMYK	cmyk(50.3%, 56.7%, 0%, 26.7%)
CIE-LAB	lab(40.89, 33.26, -54.56)
CIE-LCH	lch(40.89, 63.90, 301.36°)
OKLab	oklab(50.41% 0.0393 -0.1559)
OKLCH	oklch(50.41% 0.161 284.2)
XYZ	xyz(16.4236, 11.7990, 48.4161)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D51BB #AFBB51

analogous

#517ABB #5D51BB #9251BB

triadic

#5D51BB #BB5D51 #51BB5D

tetradic

#5D51BB #BB517A #AFBB51 #51BB92

square

#5D51BB #BB517A #AFBB51 #51BB92

split-complementary

#5D51BB #BB9251 #7ABB51

monochromatic

#302969 #443A95 #5D51BB #867DCC #AFA9DD

Accessibility & contrast

On white

6.25

#5D51BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#5D51BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5D51BB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D51BB	#FFFFFF	#000000	##FFFFFF
##5D51BB	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0564BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#3A697E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5d51bb;
/* rgb */ color: rgb(93, 81, 187);
/* oklch */ color: oklch(50.4% 0.161 284.2);

Tailwind

colors: {
  custom: {
    50: '#9282d0',
    500: '#5d51bb',
    950: '#000000',
  },
}

SCSS

$custom: #5d51bb;
$custom-light: #9282d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5d51bb",
  "rgb": {
    "r": 93,
    "g": 81,
    "b": 187
  },
  "hsl": {
    "h": 246.792,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5041,
    "c": 0.16083,
    "h": 284.2
  },
  "luminance": 0.118
}

Semantic roles & 50–950 ramp

primary

#5D51BB

secondary

#C6CB9D

accent

#D454C5

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5D51BB

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

Preview Lab → · Contrast checker → · Palette generator →