#587BEF#587BEF

#587BEF is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.178 H 268.2°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#587BEF
RGB	rgb(88, 123, 239)
HSL	hsl(226, 83%, 64%)
HSV	hsv(226, 63%, 94%)
CMYK	cmyk(63.2%, 48.5%, 0%, 6.3%)
CIE-LAB	lab(54.52, 23.41, -62.26)
CIE-LCH	lch(54.52, 66.51, 290.61°)
OKLab	oklab(61.65% -0.0056 -0.1783)
OKLCH	oklch(61.65% 0.178 268.2)
XYZ	xyz(26.6821, 22.4702, 84.5757)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BEF #EFCC58

analogous

#58C6EF #587BEF #8158EF

triadic

#587BEF #EF587B #7BEF58

tetradic

#587BEF #EF58C6 #EFCC58 #58EF81

square

#587BEF #EF58C6 #EFCC58 #58EF81

split-complementary

#587BEF #EF8158 #C6EF58

monochromatic

#1239BB #204FEA #587BEF #90A7F4 #C8D3FA

Accessibility & contrast

On white

3.82

#587BEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#587BEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BEF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BEF	#FFFFFF	#000000	##000000
##587BEF	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8AF3

Deuteranopia (green-blind)

#197CED

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #587bef;
/* rgb */ color: rgb(88, 123, 239);
/* oklch */ color: oklch(61.6% 0.178 268.2);

Tailwind

colors: {
  custom: {
    50: '#95a0f5',
    500: '#587bef',
    950: '#000000',
  },
}

SCSS

$custom: #587bef;
$custom-light: #95a0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#587bef",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 239
  },
  "hsl": {
    "h": 226.093,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.61647,
    "c": 0.1784,
    "h": 268.2
  },
  "luminance": 0.22473
}

Semantic roles & 50–950 ramp

primary

#587BEF

secondary

#ECE0B7

accent

#AD07DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #587BEF

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

Preview Lab → · Contrast checker → · Palette generator →