#587CDA#587CDA

#587CDA is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.149 H 266.3°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#587CDA
RGB	rgb(88, 124, 218)
HSL	hsl(223, 64%, 60%)
HSV	hsv(223, 60%, 85%)
CMYK	cmyk(59.6%, 43.1%, 0%, 14.5%)
CIE-LAB	lab(53.55, 15.75, -52.06)
CIE-LCH	lch(53.55, 54.39, 286.83°)
OKLab	oklab(60.5% -0.0096 -0.1483)
OKLCH	oklch(60.5% 0.149 266.3)
XYZ	xyz(23.8827, 21.5500, 69.2171)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CDA #DAB658

analogous

#58BDDA #587CDA #7558DA

triadic

#587CDA #DA587C #7CDA58

tetradic

#587CDA #DA58BD #DAB658 #58DA75

square

#587CDA #DA58BD #DAB658 #58DA75

split-complementary

#587CDA #DA7558 #BDDA58

monochromatic

#214296 #2C58C8 #587CDA #8AA3E5 #BCCBF0

Accessibility & contrast

On white

3.95

#587CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#587CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CDA

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CDA	#FFFFFF	#000000	##000000
##587CDA	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DE

Deuteranopia (green-blind)

#3F7AD8

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587cda;
/* rgb */ color: rgb(88, 124, 218);
/* oklch */ color: oklch(60.5% 0.149 266.3);

Tailwind

colors: {
  custom: {
    50: '#92a1e6',
    500: '#587cda',
    950: '#000000',
  },
}

SCSS

$custom: #587cda;
$custom-light: #92a1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#587cda",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 218
  },
  "hsl": {
    "h": 223.385,
    "s": 63.725,
    "l": 60
  },
  "oklch": {
    "l": 0.60501,
    "c": 0.14863,
    "h": 266.3
  },
  "luminance": 0.21552
}

Semantic roles & 50–950 ramp

primary

#587CDA

secondary

#E0D2AE

accent

#B941E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #587CDA

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

Preview Lab → · Contrast checker → · Palette generator →