#586EC9#586EC9

#586EC9 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.142 H 271.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#586EC9
RGB	rgb(88, 110, 201)
HSL	hsl(228, 51%, 57%)
HSV	hsv(228, 56%, 79%)
CMYK	cmyk(56.2%, 45.3%, 0%, 21.2%)
CIE-LAB	lab(48.81, 18.72, -49.96)
CIE-LCH	lch(48.81, 53.36, 290.54°)
OKLab	oklab(56.56% 0.0025 -0.1423)
OKLCH	oklch(56.56% 0.142 271)
XYZ	xyz(20.1396, 17.4421, 57.5524)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#586EC9 #C9B358

analogous

#58A6C9 #586EC9 #7B58C9

triadic

#586EC9 #C9586E #6EC958

tetradic

#586EC9 #C958A6 #C9B358 #58C97B

square

#586EC9 #C958A6 #C9B358 #58C97B

split-complementary

#586EC9 #C97B58 #A6C958

monochromatic

#29397E #384EAC #586EC9 #8696D8 #B4BEE7

Accessibility & contrast

On white

4.68

#586EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#586EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #586EC9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##586EC9	#FFFFFF	#000000	##FFFFFF
##586EC9	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CC

Deuteranopia (green-blind)

#366FC7

Tritanopia (blue-blind)

#128292

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #586ec9;
/* rgb */ color: rgb(88, 110, 201);
/* oklch */ color: oklch(56.6% 0.142 271.0);

Tailwind

colors: {
  custom: {
    50: '#9097da',
    500: '#586ec9',
    950: '#000000',
  },
}

SCSS

$custom: #586ec9;
$custom-light: #9097da;
$custom-dark: #000000;

JSON

{
  "hex": "#586ec9",
  "rgb": {
    "r": 88,
    "g": 110,
    "b": 201
  },
  "hsl": {
    "h": 228.319,
    "s": 51.131,
    "l": 56.667
  },
  "oklch": {
    "l": 0.56561,
    "c": 0.14234,
    "h": 271
  },
  "luminance": 0.17444
}

Semantic roles & 50–950 ramp

primary

#586EC9

secondary

#D6CDA7

accent

#BF4DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #586EC9

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

Preview Lab → · Contrast checker → · Palette generator →