#584FC4#584FC4

#584FC4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.176 H 281.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#584FC4
RGB	rgb(88, 79, 196)
HSL	hsl(245, 50%, 54%)
HSV	hsv(245, 60%, 77%)
CMYK	cmyk(55.1%, 59.7%, 0%, 23.1%)
CIE-LAB	lab(40.66, 36.29, -60.21)
CIE-LCH	lch(40.66, 70.30, 301.08°)
OKLab	oklab(50.33% 0.035 -0.1727)
OKLCH	oklch(50.33% 0.176 281.5)
XYZ	xyz(16.7812, 11.6512, 53.5785)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FC4 #BBC44F

analogous

#4F81C4 #584FC4 #934FC4

triadic

#584FC4 #C4584F #4FC458

tetradic

#584FC4 #C44F81 #BBC44F #4FC493

square

#584FC4 #C44F81 #BBC44F #4FC493

split-complementary

#584FC4 #C4934F #81C44F

monochromatic

#2C2672 #3E36A0 #584FC4 #837DD3 #AFABE3

Accessibility & contrast

On white

6.31

#584FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#584FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FC4

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FC4	#FFFFFF	#000000	##FFFFFF
##584FC4	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#246B82

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #584fc4;
/* rgb */ color: rgb(88, 79, 196);
/* oklch */ color: oklch(50.3% 0.176 281.5);

Tailwind

colors: {
  custom: {
    50: '#9081d7',
    500: '#584fc4',
    950: '#000000',
  },
}

SCSS

$custom: #584fc4;
$custom-light: #9081d7;
$custom-dark: #000000;

JSON

{
  "hex": "#584fc4",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 196
  },
  "hsl": {
    "h": 244.615,
    "s": 49.787,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50335,
    "c": 0.17624,
    "h": 281.5
  },
  "luminance": 0.11652
}

Semantic roles & 50–950 ramp

primary

#584FC4

secondary

#CDD09E

accent

#D94ECF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #584FC4

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

Preview Lab → · Contrast checker → · Palette generator →