#586FCC#586FCC

#586FCC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.145 H 270.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#586FCC
RGB	rgb(88, 111, 204)
HSL	hsl(228, 53%, 57%)
HSV	hsv(228, 57%, 80%)
CMYK	cmyk(56.9%, 45.6%, 0%, 20%)
CIE-LAB	lab(49.25, 19.09, -50.97)
CIE-LCH	lch(49.25, 54.43, 290.53°)
OKLab	oklab(56.96% 0.0019 -0.1453)
OKLCH	oklch(56.96% 0.145 270.7)
XYZ	xyz(20.6044, 17.8017, 59.4653)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586FCC #CCB558

analogous

#58A9CC #586FCC #7B58CC

triadic

#586FCC #CC586F #6FCC58

tetradic

#586FCC #CC58A9 #CCB558 #58CC7B

square

#586FCC #CC58A9 #CCB558 #58CC7B

split-complementary

#586FCC #CC7B58 #A9CC58

monochromatic

#283A82 #364EB1 #586FCC #8797DA #B6C0E9

Accessibility & contrast

On white

4.60

#586FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#586FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #586FCC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586FCC	#FFFFFF	#000000	##FFFFFF
##586FCC	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ACF

Deuteranopia (green-blind)

#3570CA

Tritanopia (blue-blind)

#088493

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #586fcc;
/* rgb */ color: rgb(88, 111, 204);
/* oklch */ color: oklch(57.0% 0.145 270.7);

Tailwind

colors: {
  custom: {
    50: '#9098dc',
    500: '#586fcc',
    950: '#000000',
  },
}

SCSS

$custom: #586fcc;
$custom-light: #9098dc;
$custom-dark: #000000;

JSON

{
  "hex": "#586fcc",
  "rgb": {
    "r": 88,
    "g": 111,
    "b": 204
  },
  "hsl": {
    "h": 228.103,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56955,
    "c": 0.14528,
    "h": 270.7
  },
  "luminance": 0.17803
}

Semantic roles & 50–950 ramp

primary

#586FCC

secondary

#D7CEA8

accent

#C04BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #586FCC

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

Preview Lab → · Contrast checker → · Palette generator →