#587BD0#587BD0

#587BD0 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.7% C 0.136 H 265.6°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#587BD0
RGB	rgb(88, 123, 208)
HSL	hsl(223, 56%, 58%)
HSV	hsv(223, 58%, 82%)
CMYK	cmyk(57.7%, 40.9%, 0%, 18.4%)
CIE-LAB	lab(52.72, 13.04, -47.72)
CIE-LCH	lch(52.72, 49.47, 285.28°)
OKLab	oklab(59.69% -0.0104 -0.1356)
OKLCH	oklch(59.69% 0.136 265.6)
XYZ	xyz(22.4888, 20.7929, 62.4906)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BD0 #D0AD58

analogous

#58B7D0 #587BD0 #7158D0

triadic

#587BD0 #D0587B #7BD058

tetradic

#587BD0 #D058B7 #D0AD58 #58D071

square

#587BD0 #D058B7 #D0AD58 #58D071

split-complementary

#587BD0 #D07158 #B7D058

monochromatic

#264387 #345AB7 #587BD0 #88A1DD #B8C6EB

Accessibility & contrast

On white

4.07

#587BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#587BD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BD0

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BD0	#FFFFFF	#000000	##000000
##587BD0	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5684D3

Deuteranopia (green-blind)

#4779CE

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587bd0;
/* rgb */ color: rgb(88, 123, 208);
/* oklch */ color: oklch(59.7% 0.136 265.6);

Tailwind

colors: {
  custom: {
    50: '#90a0df',
    500: '#587bd0',
    950: '#000000',
  },
}

SCSS

$custom: #587bd0;
$custom-light: #90a0df;
$custom-dark: #000000;

JSON

{
  "hex": "#587bd0",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 208
  },
  "hsl": {
    "h": 222.5,
    "s": 56.075,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59688,
    "c": 0.136,
    "h": 265.6
  },
  "luminance": 0.20795
}

Semantic roles & 50–950 ramp

primary

#587BD0

secondary

#DACCAA

accent

#B348DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587BD0

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

Preview Lab → · Contrast checker → · Palette generator →