#587BD4#587BD4

#587BD4 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.142 H 266.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#587BD4
RGB	rgb(88, 123, 212)
HSL	hsl(223, 59%, 59%)
HSV	hsv(223, 58%, 83%)
CMYK	cmyk(58.5%, 42%, 0%, 16.9%)
CIE-LAB	lab(52.94, 14.36, -49.64)
CIE-LCH	lch(52.94, 51.67, 286.14°)
OKLab	oklab(59.93% -0.0097 -0.1412)
OKLCH	oklch(59.93% 0.142 266.1)
XYZ	xyz(22.9871, 20.9922, 65.1151)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BD4 #D4B158

analogous

#58B9D4 #587BD4 #7358D4

triadic

#587BD4 #D4587B #7BD458

tetradic

#587BD4 #D458B9 #D4B158 #58D473

square

#587BD4 #D458B9 #D4B158 #58D473

split-complementary

#587BD4 #D47358 #B9D458

monochromatic

#24428D #3159BE #587BD4 #89A1E1 #B9C8ED

Accessibility & contrast

On white

4.04

#587BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#587BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BD4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BD4	#FFFFFF	#000000	##000000
##587BD4	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5484D7

Deuteranopia (green-blind)

#4379D2

Tritanopia (blue-blind)

#008F9D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587bd4;
/* rgb */ color: rgb(88, 123, 212);
/* oklch */ color: oklch(59.9% 0.142 266.1);

Tailwind

colors: {
  custom: {
    50: '#91a0e2',
    500: '#587bd4',
    950: '#000000',
  },
}

SCSS

$custom: #587bd4;
$custom-light: #91a0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#587bd4",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 223.065,
    "s": 59.048,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.14155,
    "h": 266.1
  },
  "luminance": 0.20994
}

Semantic roles & 50–950 ramp

primary

#587BD4

secondary

#DCCFAB

accent

#B646E2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #587BD4

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

Preview Lab → · Contrast checker → · Palette generator →