#584ECF#584ECF

#584ECF is a mid, vivid blue. Relative luminance 0.120; OKLCH L 51.0% C 0.192 H 280.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#584ECF
RGB	rgb(88, 78, 207)
HSL	hsl(245, 57%, 56%)
HSV	hsv(245, 62%, 81%)
CMYK	cmyk(57.5%, 62.3%, 0%, 18.8%)
CIE-LAB	lab(41.26, 40.37, -65.60)
CIE-LCH	lch(41.26, 77.03, 301.60°)
OKLab	oklab(51.04% 0.0354 -0.1886)
OKLCH	oklch(51.04% 0.192 280.6)
XYZ	xyz(18.0078, 12.0273, 60.3920)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584ECF #C5CF4E

analogous

#4E84CF #584ECF #984ECF

triadic

#584ECF #CF584E #4ECF58

tetradic

#584ECF #CF4E84 #C5CF4E #4ECF98

square

#584ECF #CF4E84 #C5CF4E #4ECF98

split-complementary

#584ECF #CF984E #84CF4E

monochromatic

#2A2380 #3A30B0 #584ECF #857EDC #B3AEE9

Accessibility & contrast

On white

6.17

#584ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#584ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584ECF

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584ECF	#FFFFFF	#000000	##FFFFFF
##584ECF	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#106E87

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #584ecf;
/* rgb */ color: rgb(88, 78, 207);
/* oklch */ color: oklch(51.0% 0.192 280.6);

Tailwind

colors: {
  custom: {
    50: '#9280df',
    500: '#584ecf',
    950: '#000000',
  },
}

SCSS

$custom: #584ecf;
$custom-light: #9280df;
$custom-dark: #000000;

JSON

{
  "hex": "#584ecf",
  "rgb": {
    "r": 88,
    "g": 78,
    "b": 207
  },
  "hsl": {
    "h": 244.651,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51039,
    "c": 0.19187,
    "h": 280.6
  },
  "luminance": 0.12028
}

Semantic roles & 50–950 ramp

primary

#584ECF

secondary

#D3D7A2

accent

#E147D5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #584ECF

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

Preview Lab → · Contrast checker → · Palette generator →