#584BB3#584BB3

#584BB3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.159 H 284.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#584BB3
RGB	rgb(88, 75, 179)
HSL	hsl(248, 41%, 50%)
HSV	hsv(248, 58%, 70%)
CMYK	cmyk(50.8%, 58.1%, 0%, 29.8%)
CIE-LAB	lab(38.48, 33.40, -53.78)
CIE-LCH	lch(38.48, 63.30, 301.84°)
OKLab	oklab(48.34% 0.0396 -0.1538)
OKLCH	oklch(48.34% 0.159 284.4)
XYZ	xyz(14.6748, 10.3608, 43.8657)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584BB3 #A6B34B

analogous

#4B72B3 #584BB3 #8C4BB3

triadic

#584BB3 #B3584B #4BB358

tetradic

#584BB3 #B34B72 #A6B34B #4BB38C

square

#584BB3 #B34B72 #A6B34B #4BB38C

split-complementary

#584BB3 #B38C4B #72B34B

monochromatic

#2E275D #433988 #584BB3 #8076C5 #A8A1D8

Accessibility & contrast

On white

6.84

#584BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#584BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584BB3

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584BB3	#FFFFFF	#000000	##FFFFFF
##584BB3	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#366377

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #584bb3;
/* rgb */ color: rgb(88, 75, 179);
/* oklch */ color: oklch(48.3% 0.159 284.4);

Tailwind

colors: {
  custom: {
    50: '#8e7eca',
    500: '#584bb3',
    950: '#000000',
  },
}

SCSS

$custom: #584bb3;
$custom-light: #8e7eca;
$custom-dark: #000000;

JSON

{
  "hex": "#584bb3",
  "rgb": {
    "r": 88,
    "g": 75,
    "b": 179
  },
  "hsl": {
    "h": 247.5,
    "s": 40.945,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48344,
    "c": 0.15884,
    "h": 284.4
  },
  "luminance": 0.10362
}

Semantic roles & 50–950 ramp

primary

#584BB3

secondary

#BFC495

accent

#D157C2

background

#F9F7FC

surface

#F1EEF8

border

#CBC9D1

text

#0D0A13

muted

#7E7C82

Preview Lab

Preview with #584BB3

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

Preview Lab → · Contrast checker → · Palette generator →