#584FBB#584FBB

#584FBB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.164 H 282.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#584FBB
RGB	rgb(88, 79, 187)
HSL	hsl(245, 44%, 52%)
HSV	hsv(245, 58%, 73%)
CMYK	cmyk(52.9%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(40.00, 33.45, -56.02)
CIE-LCH	lch(40.00, 65.25, 300.84°)
OKLab	oklab(49.65% 0.0352 -0.1604)
OKLCH	oklch(49.65% 0.164 282.4)
XYZ	xyz(15.7874, 11.2536, 48.3444)
Luminance	0.1125 (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

#584FBB #B2BB4F

analogous

#4F7CBB #584FBB #8E4FBB

triadic

#584FBB #BB584F #4FBB58

tetradic

#584FBB #BB4F7C #B2BB4F #4FBB8E

square

#584FBB #BB4F7C #B2BB4F #4FBB8E

split-complementary

#584FBB #BB8E4F #7CBB4F

monochromatic

#2D2868 #413994 #584FBB #827BCC #ACA7DD

Accessibility & contrast

On white

6.46

#584FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#584FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #584FBB

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##584FBB	#FFFFFF	#000000	##FFFFFF
##584FBB	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#2E687D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #584fbb;
/* rgb */ color: rgb(88, 79, 187);
/* oklch */ color: oklch(49.6% 0.164 282.4);

Tailwind

colors: {
  custom: {
    50: '#8f80d0',
    500: '#584fbb',
    950: '#000000',
  },
}

SCSS

$custom: #584fbb;
$custom-light: #8f80d0;
$custom-dark: #000000;

JSON

{
  "hex": "#584fbb",
  "rgb": {
    "r": 88,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 245,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49648,
    "c": 0.16421,
    "h": 282.4
  },
  "luminance": 0.11255
}

Semantic roles & 50–950 ramp

primary

#584FBB

secondary

#C7CA9B

accent

#D454C9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #584FBB

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

Preview Lab → · Contrast checker → · Palette generator →