#587ACC#587ACC

#587ACC is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.132 H 265.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#587ACC
RGB	rgb(88, 122, 204)
HSL	hsl(222, 53%, 57%)
HSV	hsv(222, 57%, 80%)
CMYK	cmyk(56.9%, 40.2%, 0%, 20%)
CIE-LAB	lab(52.23, 12.33, -46.23)
CIE-LCH	lch(52.23, 47.84, 284.93°)
OKLab	oklab(59.24% -0.0101 -0.1312)
OKLCH	oklch(59.24% 0.132 265.6)
XYZ	xyz(21.8794, 20.3517, 59.8903)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ACC #CCAA58

analogous

#58B4CC #587ACC #7058CC

triadic

#587ACC #CC587A #7ACC58

tetradic

#587ACC #CC58B4 #CCAA58 #58CC70

square

#587ACC #CC58B4 #CCAA58 #58CC70

split-complementary

#587ACC #CC7058 #B4CC58

monochromatic

#284282 #365AB1 #587ACC #879FDA #B6C5E9

Accessibility & contrast

On white

4.14

#587ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#587ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ACC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ACC	#FFFFFF	#000000	##000000
##587ACC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5782CF

Deuteranopia (green-blind)

#4878CA

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587acc;
/* rgb */ color: rgb(88, 122, 204);
/* oklch */ color: oklch(59.2% 0.132 265.6);

Tailwind

colors: {
  custom: {
    50: '#90a0dc',
    500: '#587acc',
    950: '#000000',
  },
}

SCSS

$custom: #587acc;
$custom-light: #90a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#587acc",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 204
  },
  "hsl": {
    "h": 222.414,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5924,
    "c": 0.13163,
    "h": 265.6
  },
  "luminance": 0.20353
}

Semantic roles & 50–950 ramp

primary

#587ACC

secondary

#D7CAA8

accent

#B24BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587ACC

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

Preview Lab → · Contrast checker → · Palette generator →