#587CF0#587CF0

#587CF0 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.179 H 267.9°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#587CF0
RGB	rgb(88, 124, 240)
HSL	hsl(226, 84%, 64%)
HSV	hsv(226, 63%, 94%)
CMYK	cmyk(63.3%, 48.3%, 0%, 5.9%)
CIE-LAB	lab(54.84, 23.14, -62.30)
CIE-LCH	lch(54.84, 66.46, 290.38°)
OKLab	oklab(61.91% -0.0064 -0.1784)
OKLCH	oklch(61.91% 0.179 267.9)
XYZ	xyz(26.9550, 22.7789, 85.3974)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CF0 #F0CC58

analogous

#58C8F0 #587CF0 #8058F0

triadic

#587CF0 #F0587C #7CF058

tetradic

#587CF0 #F058C8 #F0CC58 #58F080

square

#587CF0 #F058C8 #F0CC58 #58F080

split-complementary

#587CF0 #F08058 #C8F058

monochromatic

#113ABD #2050EB #587CF0 #90A8F5 #C8D4FA

Accessibility & contrast

On white

3.78

#587CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#587CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CF0

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CF0	#FFFFFF	#000000	##000000
##587CF0	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8AF4

Deuteranopia (green-blind)

#1B7DEE

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587cf0;
/* rgb */ color: rgb(88, 124, 240);
/* oklch */ color: oklch(61.9% 0.179 267.9);

Tailwind

colors: {
  custom: {
    50: '#95a1f6',
    500: '#587cf0',
    950: '#000000',
  },
}

SCSS

$custom: #587cf0;
$custom-light: #95a1f6;
$custom-dark: #000000;

JSON

{
  "hex": "#587cf0",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 240
  },
  "hsl": {
    "h": 225.789,
    "s": 83.516,
    "l": 64.314
  },
  "oklch": {
    "l": 0.61911,
    "c": 0.17853,
    "h": 267.9
  },
  "luminance": 0.22781
}

Semantic roles & 50–950 ramp

primary

#587CF0

secondary

#ECE0B8

accent

#AC06E0

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #587CF0

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

Preview Lab → · Contrast checker → · Palette generator →