#587BD2#587BD2

#587BD2 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.139 H 265.9°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#587BD2
RGB	rgb(88, 123, 210)
HSL	hsl(223, 58%, 58%)
HSV	hsv(223, 58%, 82%)
CMYK	cmyk(58.1%, 41.4%, 0%, 17.6%)
CIE-LAB	lab(52.83, 13.70, -48.68)
CIE-LCH	lch(52.83, 50.57, 285.72°)
OKLab	oklab(59.81% -0.01 -0.1384)
OKLCH	oklch(59.81% 0.139 265.9)
XYZ	xyz(22.7364, 20.8919, 63.7947)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BD2 #D2AF58

analogous

#58B8D2 #587BD2 #7258D2

triadic

#587BD2 #D2587B #7BD258

tetradic

#587BD2 #D258B8 #D2AF58 #58D272

square

#587BD2 #D258B8 #D2AF58 #58D272

split-complementary

#587BD2 #D27258 #B8D258

monochromatic

#25428A #3259BB #587BD2 #88A1DF #B8C7EC

Accessibility & contrast

On white

4.05

#587BD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#587BD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BD2

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BD2	#FFFFFF	#000000	##000000
##587BD2	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5584D5

Deuteranopia (green-blind)

#4579D0

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587bd2;
/* rgb */ color: rgb(88, 123, 210);
/* oklch */ color: oklch(59.8% 0.139 265.9);

Tailwind

colors: {
  custom: {
    50: '#90a0e0',
    500: '#587bd2',
    950: '#000000',
  },
}

SCSS

$custom: #587bd2;
$custom-light: #90a0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#587bd2",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 210
  },
  "hsl": {
    "h": 222.787,
    "s": 57.547,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59807,
    "c": 0.13878,
    "h": 265.9
  },
  "luminance": 0.20894
}

Semantic roles & 50–950 ramp

primary

#587BD2

secondary

#DBCDAB

accent

#B547E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587BD2

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

Preview Lab → · Contrast checker → · Palette generator →