#586BBB#586BBB

#586BBB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.126 H 271.6°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#586BBB
RGB	rgb(88, 107, 187)
HSL	hsl(228, 42%, 54%)
HSV	hsv(228, 53%, 73%)
CMYK	cmyk(52.9%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(47.21, 16.01, -44.46)
CIE-LCH	lch(47.21, 47.26, 289.81°)
OKLab	oklab(55.07% 0.0036 -0.1262)
OKLCH	oklch(55.07% 0.126 271.6)
XYZ	xyz(18.2489, 16.1767, 49.1649)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586BBB #BBA858

analogous

#589DBB #586BBB #7758BB

triadic

#586BBB #BB586B #6BBB58

tetradic

#586BBB #BB589D #BBA858 #58BB77

square

#586BBB #BB589D #BBA858 #58BB77

split-complementary

#586BBB #BB7758 #9DBB58

monochromatic

#2C386C #3E4F98 #586BBB #8392CD #AFB8DE

Accessibility & contrast

On white

4.96

#586BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#586BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #586BBB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586BBB	#FFFFFF	#000000	##FFFFFF
##586BBB	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A74BE

Deuteranopia (green-blind)

#3F6CB9

Tritanopia (blue-blind)

#297C8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #586bbb;
/* rgb */ color: rgb(88, 107, 187);
/* oklch */ color: oklch(55.1% 0.126 271.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#586bbb",
  "rgb": {
    "r": 88,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 228.485,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55074,
    "c": 0.12626,
    "h": 271.6
  },
  "luminance": 0.16178
}

Semantic roles & 50–950 ramp

primary

#586BBB

secondary

#CDC4A2

accent

#BA56D2

background

#F9F9FC

surface

#F1F1F9

border

#CBCBD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #586BBB

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

Preview Lab → · Contrast checker → · Palette generator →