#584ECB#584ECB

#584ECB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.7% C 0.187 H 281.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#584ECB
RGB	rgb(88, 78, 203)
HSL	hsl(245, 55%, 55%)
HSV	hsv(245, 62%, 80%)
CMYK	cmyk(56.7%, 61.6%, 0%, 20.4%)
CIE-LAB	lab(40.95, 39.10, -63.79)
CIE-LCH	lch(40.95, 74.82, 301.51°)
OKLab	oklab(50.72% 0.0357 -0.1833)
OKLCH	oklch(50.72% 0.187 281)
XYZ	xyz(17.5250, 11.8341, 57.8491)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584ECB #C1CB4E

analogous

#4E82CB #584ECB #964ECB

triadic

#584ECB #CB584E #4ECB58

tetradic

#584ECB #CB4E82 #C1CB4E #4ECB96

square

#584ECB #CB4E82 #C1CB4E #4ECB96

split-complementary

#584ECB #CB964E #82CB4E

monochromatic

#2B247B #3C32AA #584ECB #857DD9 #B1ADE7

Accessibility & contrast

On white

6.24

#584ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#584ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584ECB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584ECB	#FFFFFF	#000000	##FFFFFF
##584ECB	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#196C85

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #584ecb;
/* rgb */ color: rgb(88, 78, 203);
/* oklch */ color: oklch(50.7% 0.187 281.0);

Tailwind

colors: {
  custom: {
    50: '#9280dc',
    500: '#584ecb',
    950: '#000000',
  },
}

SCSS

$custom: #584ecb;
$custom-light: #9280dc;
$custom-dark: #000000;

JSON

{
  "hex": "#584ecb",
  "rgb": {
    "r": 88,
    "g": 78,
    "b": 203
  },
  "hsl": {
    "h": 244.8,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50717,
    "c": 0.1867,
    "h": 281
  },
  "luminance": 0.11835
}

Semantic roles & 50–950 ramp

primary

#584ECB

secondary

#D0D5A0

accent

#DE4AD2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #584ECB

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

Preview Lab → · Contrast checker → · Palette generator →