#587BFB#587BFB

#587BFB is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.5% C 0.194 H 268.7°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#587BFB
RGB	rgb(88, 123, 251)
HSL	hsl(227, 95%, 66%)
HSV	hsv(227, 65%, 98%)
CMYK	cmyk(64.9%, 51%, 0%, 1.6%)
CIE-LAB	lab(55.28, 27.47, -67.69)
CIE-LCH	lch(55.28, 73.05, 292.09°)
OKLab	oklab(62.47% -0.0044 -0.1943)
OKLCH	oklch(62.47% 0.194 268.7)
XYZ	xyz(28.5141, 23.2030, 94.2240)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BFB #FBD858

analogous

#58CCFB #587BFB #8758FB

triadic

#587BFB #FB587B #7BFB58

tetradic

#587BFB #FB58CC #FBD858 #58FB87

square

#587BFB #FB58CC #FBD858 #58FB87

split-complementary

#587BFB #FB8758 #CCFB58

monochromatic

#0531D4 #1C4CFA #587BFB #94AAFC #D0D9FE

Accessibility & contrast

On white

3.72

#587BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#587BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BFB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BFB	#FFFFFF	#000000	##000000
##587BFB	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D8CFF

Deuteranopia (green-blind)

#007DF8

Tritanopia (blue-blind)

#0099AF

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #587bfb;
/* rgb */ color: rgb(88, 123, 251);
/* oklch */ color: oklch(62.5% 0.194 268.7);

Tailwind

colors: {
  custom: {
    50: '#97a0fd',
    500: '#587bfb',
    950: '#000000',
  },
}

SCSS

$custom: #587bfb;
$custom-light: #97a0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#587bfb",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 251
  },
  "hsl": {
    "h": 227.117,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62465,
    "c": 0.19434,
    "h": 268.7
  },
  "luminance": 0.23206
}

Semantic roles & 50–950 ramp

primary

#587BFB

secondary

#F2E6BD

accent

#B400E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #587BFB

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

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