#584EA3#584EA3

#584EA3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.132 H 285.6°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#584EA3
RGB	rgb(88, 78, 163)
HSL	hsl(247, 35%, 47%)
HSV	hsv(247, 52%, 64%)
CMYK	cmyk(46%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(38.14, 26.59, -44.82)
CIE-LCH	lch(38.14, 52.12, 300.68°)
OKLab	oklab(47.75% 0.0356 -0.1275)
OKLCH	oklch(47.75% 0.132 285.6)
XYZ	xyz(13.3578, 10.1673, 35.9019)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584EA3 #99A34E

analogous

#4E6EA3 #584EA3 #834EA3

triadic

#584EA3 #A3584E #4EA358

tetradic

#584EA3 #A34E6E #99A34E #4EA383

square

#584EA3 #A34E6E #99A34E #4EA383

split-complementary

#584EA3 #A3834E #6EA34E

monochromatic

#2B2650 #423A7A #584EA3 #7B72BC #A29CD0

Accessibility & contrast

On white

6.92

#584EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#584EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584EA3

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584EA3	#FFFFFF	#000000	##FFFFFF
##584EA3	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275CA6

Deuteranopia (green-blind)

#2457A1

Tritanopia (blue-blind)

#406071

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #584ea3;
/* rgb */ color: rgb(88, 78, 163);
/* oklch */ color: oklch(47.7% 0.132 285.6);

Tailwind

colors: {
  custom: {
    50: '#8c7fbf',
    500: '#584ea3',
    950: '#000000',
  },
}

SCSS

$custom: #584ea3;
$custom-light: #8c7fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#584ea3",
  "rgb": {
    "r": 88,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 247.059,
    "s": 35.27,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47746,
    "c": 0.13235,
    "h": 285.6
  },
  "luminance": 0.10168
}

Semantic roles & 50–950 ramp

primary

#584EA3

secondary

#B7BC91

accent

#CB5CBE

background

#F8F7FB

surface

#F0EEF7

border

#CBC9D0

text

#0C0A12

muted

#7D7C81

Preview Lab

Preview with #584EA3

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

Preview Lab → · Contrast checker → · Palette generator →