#587CEB#587CEB

#587CEB is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.172 H 267.6°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#587CEB
RGB	rgb(88, 124, 235)
HSL	hsl(225, 79%, 63%)
HSV	hsv(225, 63%, 92%)
CMYK	cmyk(62.6%, 47.2%, 0%, 7.8%)
CIE-LAB	lab(54.54, 21.45, -60.00)
CIE-LCH	lch(54.54, 63.72, 289.67°)
OKLab	oklab(61.58% -0.0071 -0.1717)
OKLCH	oklch(61.58% 0.172 267.6)
XYZ	xyz(26.2224, 22.4858, 81.5395)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CEB #EBC758

analogous

#58C5EB #587CEB #7D58EB

triadic

#587CEB #EB587C #7CEB58

tetradic

#587CEB #EB58C5 #EBC758 #58EB7D

square

#587CEB #EB58C5 #EBC758 #58EB7D

split-complementary

#587CEB #EB7D58 #C5EB58

monochromatic

#153CB3 #2151E4 #587CEB #8FA7F2 #C5D2F8

Accessibility & contrast

On white

3.82

#587CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#587CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CEB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CEB	#FFFFFF	#000000	##000000
##587CEB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4389EF

Deuteranopia (green-blind)

#277CE9

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #587ceb;
/* rgb */ color: rgb(88, 124, 235);
/* oklch */ color: oklch(61.6% 0.172 267.6);

Tailwind

colors: {
  custom: {
    50: '#94a1f2',
    500: '#587ceb',
    950: '#000000',
  },
}

SCSS

$custom: #587ceb;
$custom-light: #94a1f2;
$custom-dark: #000000;

JSON

{
  "hex": "#587ceb",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 235
  },
  "hsl": {
    "h": 225.306,
    "s": 78.61,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61581,
    "c": 0.17181,
    "h": 267.6
  },
  "luminance": 0.22488
}

Semantic roles & 50–950 ramp

primary

#587CEB

secondary

#EADDB5

accent

#A80BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #587CEB

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

Preview Lab → · Contrast checker → · Palette generator →