#587FD4#587FD4

#587FD4 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.137 H 264.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#587FD4
RGB	rgb(88, 127, 212)
HSL	hsl(221, 59%, 59%)
HSV	hsv(221, 58%, 83%)
CMYK	cmyk(58.5%, 40.1%, 0%, 16.9%)
CIE-LAB	lab(54.03, 11.93, -47.90)
CIE-LCH	lch(54.03, 49.36, 283.98°)
OKLab	oklab(60.77% -0.0139 -0.1361)
OKLCH	oklch(60.77% 0.137 264.2)
XYZ	xyz(23.4935, 22.0050, 65.2839)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FD4 #D4AD58

analogous

#58BDD4 #587FD4 #6F58D4

triadic

#587FD4 #D4587F #7FD458

tetradic

#587FD4 #D458BD #D4AD58 #58D46F

square

#587FD4 #D458BD #D4AD58 #58D46F

split-complementary

#587FD4 #D46F58 #BDD458

monochromatic

#24458D #315DBE #587FD4 #89A4E1 #B9CAED

Accessibility & contrast

On white

3.89

#587FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#587FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FD4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FD4	#FFFFFF	#000000	##000000
##587FD4	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A87D7

Deuteranopia (green-blind)

#4A7CD2

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587fd4;
/* rgb */ color: rgb(88, 127, 212);
/* oklch */ color: oklch(60.8% 0.137 264.2);

Tailwind

colors: {
  custom: {
    50: '#91a3e1',
    500: '#587fd4',
    950: '#000000',
  },
}

SCSS

$custom: #587fd4;
$custom-light: #91a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#587fd4",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 212
  },
  "hsl": {
    "h": 221.129,
    "s": 59.048,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60768,
    "c": 0.1368,
    "h": 264.2
  },
  "luminance": 0.22007
}

Semantic roles & 50–950 ramp

primary

#587FD4

secondary

#DCCDAB

accent

#B146E2

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #587FD4

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

Preview Lab → · Contrast checker → · Palette generator →