#587BD1#587BD1

#587BD1 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.7% C 0.137 H 265.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#587BD1
RGB	rgb(88, 123, 209)
HSL	hsl(223, 57%, 58%)
HSV	hsv(223, 58%, 82%)
CMYK	cmyk(57.9%, 41.1%, 0%, 18%)
CIE-LAB	lab(52.78, 13.37, -48.20)
CIE-LCH	lch(52.78, 50.02, 285.50°)
OKLab	oklab(59.75% -0.0102 -0.137)
OKLCH	oklch(59.75% 0.137 265.7)
XYZ	xyz(22.6122, 20.8422, 63.1406)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BD1 #D1AE58

analogous

#58B7D1 #587BD1 #7158D1

triadic

#587BD1 #D1587B #7BD158

tetradic

#587BD1 #D158B7 #D1AE58 #58D171

square

#587BD1 #D158B7 #D1AE58 #58D171

split-complementary

#587BD1 #D17158 #B7D158

monochromatic

#264289 #335AB9 #587BD1 #88A1DE #B8C7EB

Accessibility & contrast

On white

4.06

#587BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#587BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BD1

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BD1	#FFFFFF	#000000	##000000
##587BD1	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5684D4

Deuteranopia (green-blind)

#4679CF

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587bd1;
/* rgb */ color: rgb(88, 123, 209);
/* oklch */ color: oklch(59.7% 0.137 265.7);

Tailwind

colors: {
  custom: {
    50: '#90a0df',
    500: '#587bd1',
    950: '#000000',
  },
}

SCSS

$custom: #587bd1;
$custom-light: #90a0df;
$custom-dark: #000000;

JSON

{
  "hex": "#587bd1",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 209
  },
  "hsl": {
    "h": 222.645,
    "s": 56.808,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59747,
    "c": 0.13739,
    "h": 265.7
  },
  "luminance": 0.20844
}

Semantic roles & 50–950 ramp

primary

#587BD1

secondary

#DACDAA

accent

#B448E0

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587BD1

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

Preview Lab → · Contrast checker → · Palette generator →