#587ED3#587ED3

#587ED3 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.137 H 264.5°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#587ED3
RGB	rgb(88, 126, 211)
HSL	hsl(221, 58%, 59%)
HSV	hsv(221, 58%, 83%)
CMYK	cmyk(58.3%, 40.3%, 0%, 17.3%)
CIE-LAB	lab(53.70, 12.20, -47.86)
CIE-LCH	lch(53.70, 49.39, 284.30°)
OKLab	oklab(60.5% -0.0131 -0.136)
OKLCH	oklch(60.5% 0.137 264.5)
XYZ	xyz(23.2392, 21.6977, 64.5788)
Luminance	0.2170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ED3 #D3AD58

analogous

#58BCD3 #587ED3 #6F58D3

triadic

#587ED3 #D3587E #7ED358

tetradic

#587ED3 #D358BC #D3AD58 #58D36F

square

#587ED3 #D358BC #D3AD58 #58D36F

split-complementary

#587ED3 #D36F58 #BCD358

monochromatic

#25458C #325CBC #587ED3 #88A3E0 #B9C9ED

Accessibility & contrast

On white

3.93

#587ED3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#587ED3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ED3

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ED3	#FFFFFF	#000000	##000000
##587ED3	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D6

Deuteranopia (green-blind)

#497BD1

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587ed3;
/* rgb */ color: rgb(88, 126, 211);
/* oklch */ color: oklch(60.5% 0.137 264.5);

Tailwind

colors: {
  custom: {
    50: '#91a3e1',
    500: '#587ed3',
    950: '#000000',
  },
}

SCSS

$custom: #587ed3;
$custom-light: #91a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#587ed3",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 211
  },
  "hsl": {
    "h": 221.463,
    "s": 58.294,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60498,
    "c": 0.1366,
    "h": 264.5
  },
  "luminance": 0.217
}

Semantic roles & 50–950 ramp

primary

#587ED3

secondary

#DCCDAB

accent

#B246E2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587ED3

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

Preview Lab → · Contrast checker → · Palette generator →