#586FCB#586FCB

#586FCB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.144 H 270.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#586FCB
RGB	rgb(88, 111, 203)
HSL	hsl(228, 53%, 57%)
HSV	hsv(228, 57%, 80%)
CMYK	cmyk(56.7%, 45.3%, 0%, 20.4%)
CIE-LAB	lab(49.20, 18.76, -50.49)
CIE-LCH	lch(49.20, 53.87, 290.38°)
OKLab	oklab(56.89% 0.0017 -0.1439)
OKLCH	oklch(56.89% 0.144 270.7)
XYZ	xyz(20.4849, 17.7538, 58.8357)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586FCB #CBB458

analogous

#58A9CB #586FCB #7B58CB

triadic

#586FCB #CB586F #6FCB58

tetradic

#586FCB #CB58A9 #CBB458 #58CB7B

square

#586FCB #CB58A9 #CBB458 #58CB7B

split-complementary

#586FCB #CB7B58 #A9CB58

monochromatic

#283A81 #374FAF #586FCB #8797DA #B5BFE8

Accessibility & contrast

On white

4.61

#586FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#586FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #586FCB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586FCB	#FFFFFF	#000000	##FFFFFF
##586FCB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#0C8393

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #586fcb;
/* rgb */ color: rgb(88, 111, 203);
/* oklch */ color: oklch(56.9% 0.144 270.7);

Tailwind

colors: {
  custom: {
    50: '#9098db',
    500: '#586fcb',
    950: '#000000',
  },
}

SCSS

$custom: #586fcb;
$custom-light: #9098db;
$custom-dark: #000000;

JSON

{
  "hex": "#586fcb",
  "rgb": {
    "r": 88,
    "g": 111,
    "b": 203
  },
  "hsl": {
    "h": 228,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56892,
    "c": 0.14388,
    "h": 270.7
  },
  "luminance": 0.17755
}

Semantic roles & 50–950 ramp

primary

#586FCB

secondary

#D7CDA8

accent

#BF4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #586FCB

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

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