#584FBF#584FBF

#584FBF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 50.0% C 0.170 H 282.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#584FBF
RGB	rgb(88, 79, 191)
HSL	hsl(245, 47%, 53%)
HSV	hsv(245, 59%, 75%)
CMYK	cmyk(53.9%, 58.6%, 0%, 25.1%)
CIE-LAB	lab(40.29, 34.71, -57.89)
CIE-LCH	lch(40.29, 67.50, 300.95°)
OKLab	oklab(49.95% 0.0352 -0.1659)
OKLCH	oklch(49.95% 0.17 282)
XYZ	xyz(16.2216, 11.4273, 50.6310)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#584FBF #B6BF4F

analogous

#4F7EBF #584FBF #904FBF

triadic

#584FBF #BF584F #4FBF58

tetradic

#584FBF #BF4F7E #B6BF4F #4FBF90

square

#584FBF #BF4F7E #B6BF4F #4FBF90

split-complementary

#584FBF #BF904F #7EBF4F

monochromatic

#2D276C #403899 #584FBF #837CCF #ADA9E0

Accessibility & contrast

On white

6.39

#584FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#584FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FBF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FBF	#FFFFFF	#000000	##FFFFFF
##584FBF	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#2A697F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #584fbf;
/* rgb */ color: rgb(88, 79, 191);
/* oklch */ color: oklch(50.0% 0.170 282.0);

Tailwind

colors: {
  custom: {
    50: '#9081d3',
    500: '#584fbf',
    950: '#000000',
  },
}

SCSS

$custom: #584fbf;
$custom-light: #9081d3;
$custom-dark: #000000;

JSON

{
  "hex": "#584fbf",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 244.821,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49951,
    "c": 0.16959,
    "h": 282
  },
  "luminance": 0.11428
}

Semantic roles & 50–950 ramp

primary

#584FBF

secondary

#C9CD9D

accent

#D651CC

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #584FBF

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

Preview Lab → · Contrast checker → · Palette generator →