#587CC8#587CC8

#587CC8 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.124 H 263.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#587CC8
RGB	rgb(88, 124, 200)
HSL	hsl(221, 50%, 56%)
HSV	hsv(221, 56%, 78%)
CMYK	cmyk(56%, 38%, 0%, 21.6%)
CIE-LAB	lab(52.57, 9.80, -43.41)
CIE-LCH	lch(52.57, 44.50, 282.72°)
OKLab	oklab(59.44% -0.0132 -0.123)
OKLCH	oklch(59.44% 0.124 263.9)
XYZ	xyz(21.6539, 20.6584, 57.4788)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CC8 #C8A458

analogous

#58B4C8 #587CC8 #6C58C8

triadic

#587CC8 #C8587C #7CC858

tetradic

#587CC8 #C858B4 #C8A458 #58C86C

square

#587CC8 #C858B4 #C8A458 #58C86C

split-complementary

#587CC8 #C86C58 #B4C858

monochromatic

#29447D #385DAB #587CC8 #86A0D7 #B4C4E6

Accessibility & contrast

On white

4.09

#587CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#587CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CC8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CC8	#FFFFFF	#000000	##000000
##587CC8	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D83CB

Deuteranopia (green-blind)

#4F79C6

Tritanopia (blue-blind)

#0C8D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587cc8;
/* rgb */ color: rgb(88, 124, 200);
/* oklch */ color: oklch(59.4% 0.124 263.9);

Tailwind

colors: {
  custom: {
    50: '#8fa1d9',
    500: '#587cc8',
    950: '#000000',
  },
}

SCSS

$custom: #587cc8;
$custom-light: #8fa1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#587cc8",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 200
  },
  "hsl": {
    "h": 220.714,
    "s": 50.45,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59435,
    "c": 0.12368,
    "h": 263.9
  },
  "luminance": 0.2066
}

Semantic roles & 50–950 ramp

primary

#587CC8

secondary

#D5C6A7

accent

#AD4EDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #587CC8

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

Preview Lab → · Contrast checker → · Palette generator →