#587CEE#587CEE

#587CEE is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.8% C 0.176 H 267.8°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#587CEE
RGB	rgb(88, 124, 238)
HSL	hsl(226, 82%, 64%)
HSV	hsv(226, 63%, 93%)
CMYK	cmyk(63%, 47.9%, 0%, 6.7%)
CIE-LAB	lab(54.72, 22.46, -61.38)
CIE-LCH	lch(54.72, 65.36, 290.10°)
OKLab	oklab(61.78% -0.0067 -0.1757)
OKLCH	oklch(61.78% 0.176 267.8)
XYZ	xyz(26.6595, 22.6607, 83.8414)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CEE #EECA58

analogous

#58C7EE #587CEE #7F58EE

triadic

#587CEE #EE587C #7CEE58

tetradic

#587CEE #EE58C7 #EECA58 #58EE7F

square

#587CEE #EE58C7 #EECA58 #58EE7F

split-complementary

#587CEE #EE7F58 #C7EE58

monochromatic

#133BB9 #2050E8 #587CEE #90A8F4 #C7D3F9

Accessibility & contrast

On white

3.80

#587CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#587CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CEE

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CEE	#FFFFFF	#000000	##000000
##587CEE	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408AF2

Deuteranopia (green-blind)

#207DEC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587cee;
/* rgb */ color: rgb(88, 124, 238);
/* oklch */ color: oklch(61.8% 0.176 267.8);

Tailwind

colors: {
  custom: {
    50: '#95a1f4',
    500: '#587cee',
    950: '#000000',
  },
}

SCSS

$custom: #587cee;
$custom-light: #95a1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#587cee",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 238
  },
  "hsl": {
    "h": 225.6,
    "s": 81.522,
    "l": 63.922
  },
  "oklch": {
    "l": 0.61778,
    "c": 0.17584,
    "h": 267.8
  },
  "luminance": 0.22663
}

Semantic roles & 50–950 ramp

primary

#587CEE

secondary

#EBDFB7

accent

#AA08DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #587CEE

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

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