#587BC8#587BC8

#587BC8 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.125 H 264.4°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#587BC8
RGB	rgb(88, 123, 200)
HSL	hsl(221, 50%, 56%)
HSV	hsv(221, 56%, 78%)
CMYK	cmyk(56%, 38.5%, 0%, 21.6%)
CIE-LAB	lab(52.30, 10.41, -43.85)
CIE-LCH	lch(52.30, 45.07, 283.35°)
OKLab	oklab(59.22% -0.0121 -0.1243)
OKLCH	oklch(59.22% 0.125 264.4)
XYZ	xyz(21.5293, 20.4091, 57.4372)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BC8 #C8A558

analogous

#58B3C8 #587BC8 #6D58C8

triadic

#587BC8 #C8587B #7BC858

tetradic

#587BC8 #C858B3 #C8A558 #58C86D

square

#587BC8 #C858B3 #C8A558 #58C86D

split-complementary

#587BC8 #C86D58 #B3C858

monochromatic

#29437D #385CAB #587BC8 #869FD7 #B4C4E6

Accessibility & contrast

On white

4.13

#587BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#587BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BC8

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BC8	#FFFFFF	#000000	##000000
##587BC8	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B82CB

Deuteranopia (green-blind)

#4D78C6

Tritanopia (blue-blind)

#0D8C98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587bc8;
/* rgb */ color: rgb(88, 123, 200);
/* oklch */ color: oklch(59.2% 0.125 264.4);

Tailwind

colors: {
  custom: {
    50: '#8fa0d9',
    500: '#587bc8',
    950: '#000000',
  },
}

SCSS

$custom: #587bc8;
$custom-light: #8fa0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#587bc8",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 200
  },
  "hsl": {
    "h": 221.25,
    "s": 50.45,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59221,
    "c": 0.12486,
    "h": 264.4
  },
  "luminance": 0.20411
}

Semantic roles & 50–950 ramp

primary

#587BC8

secondary

#D5C7A7

accent

#AE4EDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #587BC8

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

Preview Lab → · Contrast checker → · Palette generator →