#587CD0#587CD0

#587CD0 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.135 H 265.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#587CD0
RGB	rgb(88, 124, 208)
HSL	hsl(222, 56%, 58%)
HSV	hsv(222, 58%, 82%)
CMYK	cmyk(57.7%, 40.4%, 0%, 18.4%)
CIE-LAB	lab(53.00, 12.43, -47.29)
CIE-LCH	lch(53.00, 48.89, 284.72°)
OKLab	oklab(59.9% -0.0115 -0.1343)
OKLCH	oklch(59.9% 0.135 265.1)
XYZ	xyz(22.6134, 21.0422, 62.5322)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CD0 #D0AC58

analogous

#58B8D0 #587CD0 #7058D0

triadic

#587CD0 #D0587C #7CD058

tetradic

#587CD0 #D058B8 #D0AC58 #58D070

square

#587CD0 #D058B8 #D0AC58 #58D070

split-complementary

#587CD0 #D07058 #B8D058

monochromatic

#264387 #345BB7 #587CD0 #88A1DD #B8C7EB

Accessibility & contrast

On white

4.03

#587CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#587CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CD0

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CD0	#FFFFFF	#000000	##000000
##587CD0	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5884D3

Deuteranopia (green-blind)

#4879CE

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #587cd0;
/* rgb */ color: rgb(88, 124, 208);
/* oklch */ color: oklch(59.9% 0.135 265.1);

Tailwind

colors: {
  custom: {
    50: '#90a1df',
    500: '#587cd0',
    950: '#000000',
  },
}

SCSS

$custom: #587cd0;
$custom-light: #90a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#587cd0",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 208
  },
  "hsl": {
    "h": 222,
    "s": 56.075,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59899,
    "c": 0.13481,
    "h": 265.1
  },
  "luminance": 0.21044
}

Semantic roles & 50–950 ramp

primary

#587CD0

secondary

#DACBAA

accent

#B248DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587CD0

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

Preview Lab → · Contrast checker → · Palette generator →