#584DDB#584DDB

#584DDB is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.9% C 0.208 H 279.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#584DDB
RGB	rgb(88, 77, 219)
HSL	hsl(245, 66%, 58%)
HSV	hsv(245, 65%, 86%)
CMYK	cmyk(59.8%, 64.8%, 0%, 14.1%)
CIE-LAB	lab(41.99, 44.73, -71.29)
CIE-LCH	lch(41.99, 84.16, 302.10°)
OKLab	oklab(51.87% 0.0352 -0.2053)
OKLCH	oklch(51.87% 0.208 279.7)
XYZ	xyz(19.4605, 12.4955, 68.3905)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584DDB #D0DB4D

analogous

#4D89DB #584DDB #9F4DDB

triadic

#584DDB #DB584D #4DDB58

tetradic

#584DDB #DB4D89 #D0DB4D #4DDB9F

square

#584DDB #DB4D89 #D0DB4D #4DDB9F

split-complementary

#584DDB #DB9F4D #89DB4D

monochromatic

#261D90 #3427C3 #584DDB #8880E5 #B8B3F0

Accessibility & contrast

On white

6.00

#584DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#584DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584DDB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584DDB	#FFFFFF	#000000	##FFFFFF
##584DDB	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#00718D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #584ddb;
/* rgb */ color: rgb(88, 77, 219);
/* oklch */ color: oklch(51.9% 0.208 279.7);

Tailwind

colors: {
  custom: {
    50: '#9480e7',
    500: '#584ddb',
    950: '#000000',
  },
}

SCSS

$custom: #584ddb;
$custom-light: #9480e7;
$custom-dark: #000000;

JSON

{
  "hex": "#584ddb",
  "rgb": {
    "r": 88,
    "g": 77,
    "b": 219
  },
  "hsl": {
    "h": 244.648,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.5187,
    "c": 0.20829,
    "h": 279.7
  },
  "luminance": 0.12497
}

Semantic roles & 50–950 ramp

primary

#584DDB

secondary

#DADEA6

accent

#E93FDC

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #584DDB

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

Preview Lab → · Contrast checker → · Palette generator →