#584DA3#584DA3

#584DA3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.134 H 286.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#584DA3
RGB	rgb(88, 77, 163)
HSL	hsl(248, 36%, 47%)
HSV	hsv(248, 53%, 64%)
CMYK	cmyk(46%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(37.89, 27.22, -45.23)
CIE-LCH	lch(37.89, 52.79, 301.04°)
OKLab	oklab(47.56% 0.0368 -0.1287)
OKLCH	oklch(47.56% 0.134 286)
XYZ	xyz(13.2873, 10.0262, 35.8784)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584DA3 #98A34D

analogous

#4D6DA3 #584DA3 #834DA3

triadic

#584DA3 #A3584D #4DA358

tetradic

#584DA3 #A34D6D #98A34D #4DA383

square

#584DA3 #A34D6D #98A34D #4DA383

split-complementary

#584DA3 #A3834D #6DA34D

monochromatic

#2B2650 #423979 #584DA3 #7B71BC #A29BD0

Accessibility & contrast

On white

6.99

#584DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#584DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584DA3

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584DA3	#FFFFFF	#000000	##FFFFFF
##584DA3	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245CA6

Deuteranopia (green-blind)

#2257A1

Tritanopia (blue-blind)

#405F70

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #584da3;
/* rgb */ color: rgb(88, 77, 163);
/* oklch */ color: oklch(47.6% 0.134 286.0);

Tailwind

colors: {
  custom: {
    50: '#8c7fbf',
    500: '#584da3',
    950: '#000000',
  },
}

SCSS

$custom: #584da3;
$custom-light: #8c7fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#584da3",
  "rgb": {
    "r": 88,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 247.674,
    "s": 35.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47558,
    "c": 0.13383,
    "h": 286
  },
  "luminance": 0.10027
}

Semantic roles & 50–950 ramp

primary

#584DA3

secondary

#B7BC90

accent

#CC5CBE

background

#F8F7FB

surface

#F0EEF7

border

#CBC9D0

text

#0C0A12

muted

#7D7C81

Preview Lab

Preview with #584DA3

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

Preview Lab → · Contrast checker → · Palette generator →