#587ECE#587ECE

#587ECE is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.2% C 0.130 H 263.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#587ECE
RGB	rgb(88, 126, 206)
HSL	hsl(221, 55%, 58%)
HSV	hsv(221, 57%, 81%)
CMYK	cmyk(57.3%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(53.44, 10.55, -45.45)
CIE-LCH	lch(53.44, 46.66, 283.07°)
OKLab	oklab(60.21% -0.0141 -0.1289)
OKLCH	oklch(60.21% 0.13 263.7)
XYZ	xyz(22.6221, 21.4508, 61.3289)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ECE #CEA858

analogous

#58B9CE #587ECE #6D58CE

triadic

#587ECE #CE587E #7ECE58

tetradic

#587ECE #CE58B9 #CEA858 #58CE6D

square

#587ECE #CE58B9 #CEA858 #58CE6D

split-complementary

#587ECE #CE6D58 #B9CE58

monochromatic

#274585 #355EB4 #587ECE #87A3DC #B7C7EA

Accessibility & contrast

On white

3.97

#587ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#587ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ECE

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ECE	#FFFFFF	#000000	##000000
##587ECE	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85D1

Deuteranopia (green-blind)

#4D7BCC

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587ece;
/* rgb */ color: rgb(88, 126, 206);
/* oklch */ color: oklch(60.2% 0.130 263.7);

Tailwind

colors: {
  custom: {
    50: '#90a3dd',
    500: '#587ece',
    950: '#000000',
  },
}

SCSS

$custom: #587ece;
$custom-light: #90a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#587ece",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 220.678,
    "s": 54.63,
    "l": 57.647
  },
  "oklch": {
    "l": 0.60207,
    "c": 0.12969,
    "h": 263.7
  },
  "luminance": 0.21453
}

Semantic roles & 50–950 ramp

primary

#587ECE

secondary

#D9C9A9

accent

#AE4ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587ECE

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

Preview Lab → · Contrast checker → · Palette generator →