#587BE9#587BE9

#587BE9 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.3% C 0.170 H 267.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#587BE9
RGB	rgb(88, 123, 233)
HSL	hsl(226, 77%, 63%)
HSV	hsv(226, 62%, 91%)
CMYK	cmyk(62.2%, 47.2%, 0%, 8.6%)
CIE-LAB	lab(54.16, 21.39, -59.50)
CIE-LCH	lch(54.16, 63.23, 289.77°)
OKLab	oklab(61.25% -0.0064 -0.1702)
OKLCH	oklch(61.25% 0.17 267.9)
XYZ	xyz(25.8104, 22.1215, 79.9847)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BE9 #E9C658

analogous

#58C4E9 #587BE9 #7D58E9

triadic

#587BE9 #E9587B #7BE958

tetradic

#587BE9 #E958C4 #E9C658 #58E97D

square

#587BE9 #E958C4 #E9C658 #58E97D

split-complementary

#587BE9 #E97D58 #C4E958

monochromatic

#173CAF #2250E2 #587BE9 #8EA6F0 #C4D0F7

Accessibility & contrast

On white

3.87

#587BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#587BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BE9

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BE9	#FFFFFF	#000000	##000000
##587BE9	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4388ED

Deuteranopia (green-blind)

#277BE7

Tritanopia (blue-blind)

#0094A7

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587be9;
/* rgb */ color: rgb(88, 123, 233);
/* oklch */ color: oklch(61.3% 0.170 267.9);

Tailwind

colors: {
  custom: {
    50: '#94a0f1',
    500: '#587be9',
    950: '#000000',
  },
}

SCSS

$custom: #587be9;
$custom-light: #94a0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#587be9",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 233
  },
  "hsl": {
    "h": 225.517,
    "s": 76.72,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6125,
    "c": 0.17032,
    "h": 267.9
  },
  "luminance": 0.22124
}

Semantic roles & 50–950 ramp

primary

#587BE9

secondary

#E8DCB4

accent

#A80DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #587BE9

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

Preview Lab → · Contrast checker → · Palette generator →