#587CD9#587CD9

#587CD9 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.4% C 0.147 H 266.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#587CD9
RGB	rgb(88, 124, 217)
HSL	hsl(223, 63%, 60%)
HSV	hsv(223, 59%, 85%)
CMYK	cmyk(59.4%, 42.9%, 0%, 14.9%)
CIE-LAB	lab(53.49, 15.41, -51.59)
CIE-LCH	lch(53.49, 53.84, 286.63°)
OKLab	oklab(60.44% -0.0098 -0.1469)
OKLCH	oklch(60.44% 0.147 266.2)
XYZ	xyz(23.7523, 21.4978, 68.5300)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CD9 #D9B558

analogous

#58BCD9 #587CD9 #7558D9

triadic

#587CD9 #D9587C #7CD958

tetradic

#587CD9 #D958BC #D9B558 #58D975

square

#587CD9 #D958BC #D9B558 #58D975

split-complementary

#587CD9 #D97558 #BCD958

monochromatic

#224295 #2D58C7 #587CD9 #8AA3E4 #BCCAF0

Accessibility & contrast

On white

3.96

#587CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#587CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CD9

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CD9	#FFFFFF	#000000	##000000
##587CD9	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DD

Deuteranopia (green-blind)

#407AD7

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587cd9;
/* rgb */ color: rgb(88, 124, 217);
/* oklch */ color: oklch(60.4% 0.147 266.2);

Tailwind

colors: {
  custom: {
    50: '#91a1e5',
    500: '#587cd9',
    950: '#000000',
  },
}

SCSS

$custom: #587cd9;
$custom-light: #91a1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#587cd9",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 217
  },
  "hsl": {
    "h": 223.256,
    "s": 62.927,
    "l": 59.804
  },
  "oklch": {
    "l": 0.6044,
    "c": 0.14726,
    "h": 266.2
  },
  "luminance": 0.215
}

Semantic roles & 50–950 ramp

primary

#587CD9

secondary

#DFD1AD

accent

#B842E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #587CD9

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

Preview Lab → · Contrast checker → · Palette generator →