#584FC5#584FC5

#584FC5 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.178 H 281.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#584FC5
RGB	rgb(88, 79, 197)
HSL	hsl(245, 50%, 54%)
HSV	hsv(245, 60%, 77%)
CMYK	cmyk(55.3%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(40.73, 36.61, -60.67)
CIE-LCH	lch(40.73, 70.86, 301.10°)
OKLab	oklab(50.41% 0.035 -0.1741)
OKLCH	oklch(50.41% 0.178 281.4)
XYZ	xyz(16.8954, 11.6968, 54.1799)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FC5 #BCC54F

analogous

#4F81C5 #584FC5 #934FC5

triadic

#584FC5 #C5584F #4FC558

tetradic

#584FC5 #C54F81 #BCC54F #4FC593

square

#584FC5 #C54F81 #BCC54F #4FC593

split-complementary

#584FC5 #C5934F #81C54F

monochromatic

#2C2674 #3E35A2 #584FC5 #847DD4 #AFABE3

Accessibility & contrast

On white

6.29

#584FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#584FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FC5

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FC5	#FFFFFF	#000000	##FFFFFF
##584FC5	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#236B82

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #584fc5;
/* rgb */ color: rgb(88, 79, 197);
/* oklch */ color: oklch(50.4% 0.178 281.4);

Tailwind

colors: {
  custom: {
    50: '#9181d7',
    500: '#584fc5',
    950: '#000000',
  },
}

SCSS

$custom: #584fc5;
$custom-light: #9181d7;
$custom-dark: #000000;

JSON

{
  "hex": "#584fc5",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 244.576,
    "s": 50.427,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50413,
    "c": 0.17757,
    "h": 281.4
  },
  "luminance": 0.11698
}

Semantic roles & 50–950 ramp

primary

#584FC5

secondary

#CDD19F

accent

#DA4ECF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #584FC5

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

Preview Lab → · Contrast checker → · Palette generator →