#586CCB#586CCB

#586CCB is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.3% C 0.148 H 271.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#586CCB
RGB	rgb(88, 108, 203)
HSL	hsl(230, 53%, 57%)
HSV	hsv(230, 57%, 80%)
CMYK	cmyk(56.7%, 46.8%, 0%, 20.4%)
CIE-LAB	lab(48.40, 20.62, -51.77)
CIE-LCH	lch(48.40, 55.73, 291.72°)
OKLab	oklab(56.28% 0.005 -0.1476)
OKLCH	oklch(56.28% 0.148 271.9)
XYZ	xyz(20.1630, 17.1101, 58.7284)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586CCB #CBB758

analogous

#58A6CB #586CCB #7E58CB

triadic

#586CCB #CB586C #6CCB58

tetradic

#586CCB #CB58A6 #CBB758 #58CB7E

square

#586CCB #CB58A6 #CBB758 #58CB7E

split-complementary

#586CCB #CB7E58 #A6CB58

monochromatic

#283781 #374CAF #586CCB #8795DA #B5BEE8

Accessibility & contrast

On white

4.75

#586CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#586CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #586CCB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586CCB	#FFFFFF	#000000	##FFFFFF
##586CCB	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F78CF

Deuteranopia (green-blind)

#2F6EC9

Tritanopia (blue-blind)

#0E8192

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #586ccb;
/* rgb */ color: rgb(88, 108, 203);
/* oklch */ color: oklch(56.3% 0.148 271.9);

Tailwind

colors: {
  custom: {
    50: '#9095db',
    500: '#586ccb',
    950: '#000000',
  },
}

SCSS

$custom: #586ccb;
$custom-light: #9095db;
$custom-dark: #000000;

JSON

{
  "hex": "#586ccb",
  "rgb": {
    "r": 88,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 229.565,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.14773,
    "h": 271.9
  },
  "luminance": 0.17112
}

Semantic roles & 50–950 ramp

primary

#586CCB

secondary

#D7CFA8

accent

#C34CDC

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #586CCB

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

Preview Lab → · Contrast checker → · Palette generator →