#584BB1#584BB1

#584BB1 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.2% C 0.156 H 284.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#584BB1
RGB	rgb(88, 75, 177)
HSL	hsl(248, 40%, 49%)
HSV	hsv(248, 58%, 69%)
CMYK	cmyk(50.3%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(38.34, 32.78, -52.82)
CIE-LCH	lch(38.34, 62.17, 301.82°)
OKLab	oklab(48.2% 0.0396 -0.151)
OKLCH	oklch(48.2% 0.156 284.7)
XYZ	xyz(14.4740, 10.2805, 42.8081)
Luminance	0.1028 (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

#584BB1 #A4B14B

analogous

#4B71B1 #584BB1 #8B4BB1

triadic

#584BB1 #B1584B #4BB158

tetradic

#584BB1 #B14B71 #A4B14B #4BB18B

square

#584BB1 #B14B71 #A4B14B #4BB18B

split-complementary

#584BB1 #B18B4B #71B14B

monochromatic

#2D275B #433986 #584BB1 #7F75C4 #A7A0D7

Accessibility & contrast

On white

6.87

#584BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#584BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584BB1

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584BB1	#FFFFFF	#000000	##FFFFFF
##584BB1	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0057AF

Tritanopia (blue-blind)

#376276

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #584bb1;
/* rgb */ color: rgb(88, 75, 177);
/* oklch */ color: oklch(48.2% 0.156 284.7);

Tailwind

colors: {
  custom: {
    50: '#8e7ec9',
    500: '#584bb1',
    950: '#000000',
  },
}

SCSS

$custom: #584bb1;
$custom-light: #8e7ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#584bb1",
  "rgb": {
    "r": 88,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 247.647,
    "s": 40.476,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48195,
    "c": 0.15613,
    "h": 284.7
  },
  "luminance": 0.10281
}

Semantic roles & 50–950 ramp

primary

#584BB1

secondary

#BDC394

accent

#D057C1

background

#F9F7FC

surface

#F1EEF8

border

#CBC9D1

text

#0D0A13

muted

#7E7C82

Preview Lab

Preview with #584BB1

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

Preview Lab → · Contrast checker → · Palette generator →