#586CBB#586CBB

#586CBB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.125 H 271.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#586CBB
RGB	rgb(88, 108, 187)
HSL	hsl(228, 42%, 54%)
HSV	hsv(228, 53%, 73%)
CMYK	cmyk(52.9%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(47.48, 15.39, -44.03)
CIE-LCH	lch(47.48, 46.64, 289.27°)
OKLab	oklab(55.28% 0.0024 -0.1249)
OKLCH	oklch(55.28% 0.125 271.1)
XYZ	xyz(18.3538, 16.3864, 49.1998)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586CBB #BBA758

analogous

#589EBB #586CBB #7658BB

triadic

#586CBB #BB586C #6CBB58

tetradic

#586CBB #BB589E #BBA758 #58BB76

square

#586CBB #BB589E #BBA758 #58BB76

split-complementary

#586CBB #BB7658 #9EBB58

monochromatic

#2C396C #3E5098 #586CBB #8392CD #AFB9DE

Accessibility & contrast

On white

4.91

#586CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#586CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #586CBB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586CBB	#FFFFFF	#000000	##FFFFFF
##586CBB	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#406DB9

Tritanopia (blue-blind)

#297D8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #586cbb;
/* rgb */ color: rgb(88, 108, 187);
/* oklch */ color: oklch(55.3% 0.125 271.1);

Tailwind

colors: {
  custom: {
    50: '#8e95d0',
    500: '#586cbb',
    950: '#000000',
  },
}

SCSS

$custom: #586cbb;
$custom-light: #8e95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#586cbb",
  "rgb": {
    "r": 88,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 227.879,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55282,
    "c": 0.12495,
    "h": 271.1
  },
  "luminance": 0.16388
}

Semantic roles & 50–950 ramp

primary

#586CBB

secondary

#CDC4A2

accent

#B956D2

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #586CBB

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

Preview Lab → · Contrast checker → · Palette generator →