#523FBB#523FBB

#523FBB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.5% C 0.186 H 283.5°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#523FBB
RGB	rgb(82, 63, 187)
HSL	hsl(249, 50%, 49%)
HSV	hsv(249, 66%, 73%)
CMYK	cmyk(56.1%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(35.86, 41.92, -62.78)
CIE-LCH	lch(35.86, 75.49, 303.74°)
OKLab	oklab(46.49% 0.0432 -0.1805)
OKLCH	oklch(46.49% 0.186 283.5)
XYZ	xyz(14.2241, 8.9358, 47.9793)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#523FBB #A8BB3F

analogous

#3F6ABB #523FBB #903FBB

triadic

#523FBB #BB523F #3FBB52

tetradic

#523FBB #BB3F6A #A8BB3F #3FBB90

square

#523FBB #BB3F6A #A8BB3F #3FBB90

split-complementary

#523FBB #BB903F #6ABB3F

monochromatic

#2A205F #3E308D #523FBB #796ACD #A398DC

Accessibility & contrast

On white

7.53

#523FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#523FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #523FBB

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##523FBB	#FFFFFF	#000000	##FFFFFF
##523FBB	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#1E5E77

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #523fbb;
/* rgb */ color: rgb(82, 63, 187);
/* oklch */ color: oklch(46.5% 0.186 283.5);

Tailwind

colors: {
  custom: {
    50: '#8d75d0',
    500: '#523fbb',
    950: '#000000',
  },
}

SCSS

$custom: #523fbb;
$custom-light: #8d75d0;
$custom-dark: #000000;

JSON

{
  "hex": "#523fbb",
  "rgb": {
    "r": 82,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 249.194,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46493,
    "c": 0.1856,
    "h": 283.5
  },
  "luminance": 0.08937
}

Semantic roles & 50–950 ramp

primary

#523FBB

secondary

#BFC88E

accent

#D94FC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #523FBB

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

Preview Lab → · Contrast checker → · Palette generator →