#587DEF#587DEF

#587DEF is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.0% C 0.176 H 267.6°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#587DEF
RGB	rgb(88, 125, 239)
HSL	hsl(225, 83%, 64%)
HSV	hsv(225, 63%, 94%)
CMYK	cmyk(63.2%, 47.7%, 0%, 6.3%)
CIE-LAB	lab(55.04, 22.19, -61.42)
CIE-LCH	lch(55.04, 65.31, 289.86°)
OKLab	oklab(62.04% -0.0075 -0.1758)
OKLCH	oklch(62.04% 0.176 267.6)
XYZ	xyz(26.9328, 22.9715, 84.6592)
Luminance	0.2297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DEF #EFCA58

analogous

#58C9EF #587DEF #7F58EF

triadic

#587DEF #EF587D #7DEF58

tetradic

#587DEF #EF58C9 #EFCA58 #58EF7F

square

#587DEF #EF58C9 #EFCA58 #58EF7F

split-complementary

#587DEF #EF7F58 #C9EF58

monochromatic

#123BBB #2052EA #587DEF #90A8F4 #C8D4FA

Accessibility & contrast

On white

3.75

#587DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#587DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DEF

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DEF	#FFFFFF	#000000	##000000
##587DEF	1.00	3.75	5.59	5.59
#FFFFFF	3.75	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)

#428BF3

Deuteranopia (green-blind)

#217DED

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #587def;
/* rgb */ color: rgb(88, 125, 239);
/* oklch */ color: oklch(62.0% 0.176 267.6);

Tailwind

colors: {
  custom: {
    50: '#95a2f5',
    500: '#587def',
    950: '#000000',
  },
}

SCSS

$custom: #587def;
$custom-light: #95a2f5;
$custom-dark: #000000;

JSON

{
  "hex": "#587def",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 239
  },
  "hsl": {
    "h": 225.298,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.62043,
    "c": 0.17598,
    "h": 267.6
  },
  "luminance": 0.22974
}

Semantic roles & 50–950 ramp

primary

#587DEF

secondary

#ECDFB7

accent

#AA07DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #587DEF

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

Preview Lab → · Contrast checker → · Palette generator →