#586FBB#586FBB

#586FBB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.121 H 269.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#586FBB
RGB	rgb(88, 111, 187)
HSL	hsl(226, 42%, 54%)
HSV	hsv(226, 53%, 73%)
CMYK	cmyk(52.9%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(48.30, 13.53, -42.73)
CIE-LCH	lch(48.30, 44.82, 287.58°)
OKLab	oklab(55.91% -0.0011 -0.1211)
OKLCH	oklch(55.91% 0.121 269.5)
XYZ	xyz(18.6756, 17.0302, 49.3071)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586FBB #BBA458

analogous

#58A1BB #586FBB #7358BB

triadic

#586FBB #BB586F #6FBB58

tetradic

#586FBB #BB58A1 #BBA458 #58BB73

square

#586FBB #BB58A1 #BBA458 #58BB73

split-complementary

#586FBB #BB7358 #A1BB58

monochromatic

#2C3B6C #3E5398 #586FBB #8395CD #AFBADE

Accessibility & contrast

On white

4.77

#586FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#586FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #586FBB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586FBB	#FFFFFF	#000000	##FFFFFF
##586FBB	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#287F8C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #586fbb;
/* rgb */ color: rgb(88, 111, 187);
/* oklch */ color: oklch(55.9% 0.121 269.5);

Tailwind

colors: {
  custom: {
    50: '#8e98d0',
    500: '#586fbb',
    950: '#000000',
  },
}

SCSS

$custom: #586fbb;
$custom-light: #8e98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#586fbb",
  "rgb": {
    "r": 88,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 226.061,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55912,
    "c": 0.12109,
    "h": 269.5
  },
  "luminance": 0.17031
}

Semantic roles & 50–950 ramp

primary

#586FBB

secondary

#CDC3A2

accent

#B556D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #586FBB

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

Preview Lab → · Contrast checker → · Palette generator →