#584CBB#584CBB

#584CBB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.1% C 0.168 H 283.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#584CBB
RGB	rgb(88, 76, 187)
HSL	hsl(246, 45%, 52%)
HSV	hsv(246, 59%, 73%)
CMYK	cmyk(52.9%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(39.29, 35.28, -57.17)
CIE-LCH	lch(39.29, 67.18, 301.68°)
OKLab	oklab(49.12% 0.0384 -0.1638)
OKLCH	oklch(49.12% 0.168 283.2)
XYZ	xyz(15.5759, 10.8306, 48.2738)
Luminance	0.1083 (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

#584CBB #AFBB4C

analogous

#4C78BB #584CBB #8F4CBB

triadic

#584CBB #BB584C #4CBB58

tetradic

#584CBB #BB4C78 #AFBB4C #4CBB8F

square

#584CBB #BB4C78 #AFBB4C #4CBB8F

split-complementary

#584CBB #BB8F4C #78BB4C

monochromatic

#2E2766 #413892 #584CBB #8178CC #ABA5DD

Accessibility & contrast

On white

6.63

#584CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#584CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584CBB

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584CBB	#FFFFFF	#000000	##FFFFFF
##584CBB	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#2F667C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #584cbb;
/* rgb */ color: rgb(88, 76, 187);
/* oklch */ color: oklch(49.1% 0.168 283.2);

Tailwind

colors: {
  custom: {
    50: '#8f7ed0',
    500: '#584cbb',
    950: '#000000',
  },
}

SCSS

$custom: #584cbb;
$custom-light: #8f7ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#584cbb",
  "rgb": {
    "r": 88,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 246.486,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49124,
    "c": 0.16823,
    "h": 283.2
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#584CBB

secondary

#C5CA99

accent

#D553C7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #584CBB

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

Preview Lab → · Contrast checker → · Palette generator →