#587FFB#587FFB

#587FFB is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.190 H 267.6°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#587FFB
RGB	rgb(88, 127, 251)
HSL	hsl(226, 95%, 66%)
HSV	hsv(226, 65%, 98%)
CMYK	cmyk(64.9%, 49.4%, 0%, 1.6%)
CIE-LAB	lab(56.30, 25.03, -66.04)
CIE-LCH	lch(56.30, 70.63, 290.76°)
OKLab	oklab(63.24% -0.008 -0.1894)
OKLCH	oklch(63.24% 0.19 267.6)
XYZ	xyz(29.0205, 24.2158, 94.3928)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FFB #FBD458

analogous

#58D1FB #587FFB #8358FB

triadic

#587FFB #FB587F #7FFB58

tetradic

#587FFB #FB58D1 #FBD458 #58FB83

square

#587FFB #FB58D1 #FBD458 #58FB83

split-complementary

#587FFB #FB8358 #D1FB58

monochromatic

#0536D4 #1C51FA #587FFB #94ADFC #D0DBFE

Accessibility & contrast

On white

3.59

#587FFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#587FFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FFB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FFB	#FFFFFF	#000000	##000000
##587FFB	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#398FFF

Deuteranopia (green-blind)

#0080F8

Tritanopia (blue-blind)

#009CB1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #587ffb;
/* rgb */ color: rgb(88, 127, 251);
/* oklch */ color: oklch(63.2% 0.190 267.6);

Tailwind

colors: {
  custom: {
    50: '#97a3fd',
    500: '#587ffb',
    950: '#000000',
  },
}

SCSS

$custom: #587ffb;
$custom-light: #97a3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#587ffb",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 251
  },
  "hsl": {
    "h": 225.644,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.6324,
    "c": 0.18956,
    "h": 267.6
  },
  "luminance": 0.24218
}

Semantic roles & 50–950 ramp

primary

#587FFB

secondary

#F2E5BD

accent

#AF00E6

background

#FAFAFF

surface

#F3F3FF

border

#CDCDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #587FFB

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

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