#584FCB#584FCB

#584FCB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.9% C 0.185 H 280.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#584FCB
RGB	rgb(88, 79, 203)
HSL	hsl(244, 54%, 55%)
HSV	hsv(244, 61%, 80%)
CMYK	cmyk(56.7%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(41.18, 38.51, -63.42)
CIE-LCH	lch(41.18, 74.19, 301.26°)
OKLab	oklab(50.89% 0.0347 -0.1822)
OKLCH	oklch(50.89% 0.185 280.8)
XYZ	xyz(17.5966, 11.9773, 57.8729)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FCB #C2CB4F

analogous

#4F84CB #584FCB #964FCB

triadic

#584FCB #CB584F #4FCB58

tetradic

#584FCB #CB4F84 #C2CB4F #4FCB96

square

#584FCB #CB4F84 #C2CB4F #4FCB96

split-complementary

#584FCB #CB964F #84CB4F

monochromatic

#2B247B #3B32AA #584FCB #857ED9 #B2ADE7

Accessibility & contrast

On white

6.18

#584FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#584FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FCB

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FCB	#FFFFFF	#000000	##FFFFFF
##584FCB	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#196D85

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #584fcb;
/* rgb */ color: rgb(88, 79, 203);
/* oklch */ color: oklch(50.9% 0.185 280.8);

Tailwind

colors: {
  custom: {
    50: '#9281dc',
    500: '#584fcb',
    950: '#000000',
  },
}

SCSS

$custom: #584fcb;
$custom-light: #9281dc;
$custom-dark: #000000;

JSON

{
  "hex": "#584fcb",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 244.355,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50885,
    "c": 0.18544,
    "h": 280.8
  },
  "luminance": 0.11978
}

Semantic roles & 50–950 ramp

primary

#584FCB

secondary

#D1D5A1

accent

#DE4AD3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #584FCB

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

Preview Lab → · Contrast checker → · Palette generator →