#587CF3#587CF3

#587CF3 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.1% C 0.183 H 268.1°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#587CF3
RGB	rgb(88, 124, 243)
HSL	hsl(226, 87%, 65%)
HSV	hsv(226, 64%, 95%)
CMYK	cmyk(63.8%, 49%, 0%, 4.7%)
CIE-LAB	lab(55.03, 24.15, -63.66)
CIE-LCH	lch(55.03, 68.09, 290.78°)
OKLab	oklab(62.11% -0.0061 -0.1824)
OKLCH	oklch(62.11% 0.183 268.1)
XYZ	xyz(27.4043, 22.9586, 87.7639)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CF3 #F3CF58

analogous

#58C9F3 #587CF3 #8258F3

triadic

#587CF3 #F3587C #7CF358

tetradic

#587CF3 #F358C9 #F3CF58 #58F382

square

#587CF3 #F358C9 #F3CF58 #58F382

split-complementary

#587CF3 #F38258 #C9F358

monochromatic

#0E38C3 #1F4FEF #587CF3 #91A9F7 #CAD6FB

Accessibility & contrast

On white

3.76

#587CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#587CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CF3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CF3	#FFFFFF	#000000	##000000
##587CF3	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8BF7

Deuteranopia (green-blind)

#107DF1

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #587cf3;
/* rgb */ color: rgb(88, 124, 243);
/* oklch */ color: oklch(62.1% 0.183 268.1);

Tailwind

colors: {
  custom: {
    50: '#96a1f8',
    500: '#587cf3',
    950: '#000000',
  },
}

SCSS

$custom: #587cf3;
$custom-light: #96a1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#587cf3",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 243
  },
  "hsl": {
    "h": 226.065,
    "s": 86.592,
    "l": 64.902
  },
  "oklch": {
    "l": 0.62112,
    "c": 0.18253,
    "h": 268.1
  },
  "luminance": 0.22961
}

Semantic roles & 50–950 ramp

primary

#587CF3

secondary

#EEE2B9

accent

#AF02E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #587CF3

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

Preview Lab → · Contrast checker → · Palette generator →