#587ECC#587ECC

#587ECC is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.1% C 0.127 H 263.4°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#587ECC
RGB	rgb(88, 126, 204)
HSL	hsl(220, 53%, 57%)
HSV	hsv(220, 57%, 80%)
CMYK	cmyk(56.9%, 38.2%, 0%, 20%)
CIE-LAB	lab(53.34, 9.90, -44.48)
CIE-LCH	lch(53.34, 45.57, 282.55°)
OKLab	oklab(60.09% -0.0146 -0.1261)
OKLCH	oklch(60.09% 0.127 263.4)
XYZ	xyz(22.3807, 21.3543, 60.0574)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ECC #CCA658

analogous

#58B8CC #587ECC #6C58CC

triadic

#587ECC #CC587E #7ECC58

tetradic

#587ECC #CC58B8 #CCA658 #58CC6C

square

#587ECC #CC58B8 #CCA658 #58CC6C

split-complementary

#587ECC #CC6C58 #B8CC58

monochromatic

#284582 #365EB1 #587ECC #87A2DA #B6C6E9

Accessibility & contrast

On white

3.98

#587ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#587ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ECC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ECC	#FFFFFF	#000000	##000000
##587ECC	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CF

Deuteranopia (green-blind)

#4F7ACA

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #587ecc;
/* rgb */ color: rgb(88, 126, 204);
/* oklch */ color: oklch(60.1% 0.127 263.4);

Tailwind

colors: {
  custom: {
    50: '#90a3dc',
    500: '#587ecc',
    950: '#000000',
  },
}

SCSS

$custom: #587ecc;
$custom-light: #90a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#587ecc",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 204
  },
  "hsl": {
    "h": 220.345,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60092,
    "c": 0.12692,
    "h": 263.4
  },
  "luminance": 0.21356
}

Semantic roles & 50–950 ramp

primary

#587ECC

secondary

#D7C8A8

accent

#AD4BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587ECC

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

Preview Lab → · Contrast checker → · Palette generator →