#587BE4#587BE4

#587BE4 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.164 H 267.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#587BE4
RGB	rgb(88, 123, 228)
HSL	hsl(225, 72%, 62%)
HSV	hsv(225, 61%, 89%)
CMYK	cmyk(61.4%, 46.1%, 0%, 10.6%)
CIE-LAB	lab(53.86, 19.71, -57.18)
CIE-LCH	lch(53.86, 60.48, 289.01°)
OKLab	oklab(60.93% -0.007 -0.1634)
OKLCH	oklch(60.93% 0.164 267.5)
XYZ	xyz(25.1063, 21.8399, 76.2762)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BE4 #E4C158

analogous

#58C1E4 #587BE4 #7B58E4

triadic

#587BE4 #E4587B #7BE458

tetradic

#587BE4 #E458C1 #E4C158 #58E47B

square

#587BE4 #E458C1 #E4C158 #58E47B

split-complementary

#587BE4 #E47B58 #C1E458

monochromatic

#1B3EA7 #2351DB #587BE4 #8DA5ED #C1CEF5

Accessibility & contrast

On white

3.91

#587BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#587BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BE4

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BE4	#FFFFFF	#000000	##000000
##587BE4	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4887E8

Deuteranopia (green-blind)

#307BE2

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587be4;
/* rgb */ color: rgb(88, 123, 228);
/* oklch */ color: oklch(60.9% 0.164 267.5);

Tailwind

colors: {
  custom: {
    50: '#93a0ed',
    500: '#587be4',
    950: '#000000',
  },
}

SCSS

$custom: #587be4;
$custom-light: #93a0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#587be4",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 228
  },
  "hsl": {
    "h": 225,
    "s": 72.165,
    "l": 61.961
  },
  "oklch": {
    "l": 0.60926,
    "c": 0.16353,
    "h": 267.5
  },
  "luminance": 0.21842
}

Semantic roles & 50–950 ramp

primary

#587BE4

secondary

#E6D9B2

accent

#A311D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #587BE4

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

Preview Lab → · Contrast checker → · Palette generator →