#587CE9#587CE9

#587CE9 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.169 H 267.5°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#587CE9
RGB	rgb(88, 124, 233)
HSL	hsl(225, 77%, 63%)
HSV	hsv(225, 62%, 91%)
CMYK	cmyk(62.2%, 46.8%, 0%, 8.6%)
CIE-LAB	lab(54.42, 20.78, -59.08)
CIE-LCH	lch(54.42, 62.63, 289.38°)
OKLab	oklab(61.45% -0.0073 -0.1689)
OKLCH	oklch(61.45% 0.169 267.5)
XYZ	xyz(25.9351, 22.3709, 80.0263)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CE9 #E9C558

analogous

#58C5E9 #587CE9 #7C58E9

triadic

#587CE9 #E9587C #7CE958

tetradic

#587CE9 #E958C5 #E9C558 #58E97C

square

#587CE9 #E958C5 #E9C558 #58E97C

split-complementary

#587CE9 #E97C58 #C5E958

monochromatic

#173DAF #2252E2 #587CE9 #8EA6F0 #C4D1F7

Accessibility & contrast

On white

3.84

#587CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#587CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CE9

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CE9	#FFFFFF	#000000	##000000
##587CE9	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4589ED

Deuteranopia (green-blind)

#2A7CE7

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #587ce9;
/* rgb */ color: rgb(88, 124, 233);
/* oklch */ color: oklch(61.5% 0.169 267.5);

Tailwind

colors: {
  custom: {
    50: '#94a1f1',
    500: '#587ce9',
    950: '#000000',
  },
}

SCSS

$custom: #587ce9;
$custom-light: #94a1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#587ce9",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 233
  },
  "hsl": {
    "h": 225.103,
    "s": 76.72,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6145,
    "c": 0.1691,
    "h": 267.5
  },
  "luminance": 0.22373
}

Semantic roles & 50–950 ramp

primary

#587CE9

secondary

#E8DCB4

accent

#A60DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #587CE9

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

Preview Lab → · Contrast checker → · Palette generator →