#587CDF#587CDF

#587CDF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.8% C 0.155 H 266.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#587CDF
RGB	rgb(88, 124, 223)
HSL	hsl(224, 68%, 61%)
HSV	hsv(224, 61%, 87%)
CMYK	cmyk(60.5%, 44.4%, 0%, 12.5%)
CIE-LAB	lab(53.83, 17.42, -54.42)
CIE-LCH	lch(53.83, 57.14, 287.75°)
OKLab	oklab(60.81% -0.0088 -0.1552)
OKLCH	oklch(60.81% 0.156 266.8)
XYZ	xyz(24.5469, 21.8156, 72.7150)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CDF #DFBB58

analogous

#58BFDF #587CDF #7758DF

triadic

#587CDF #DF587C #7CDF58

tetradic

#587CDF #DF58BF #DFBB58 #58DF77

square

#587CDF #DF58BF #DFBB58 #58DF77

split-complementary

#587CDF #DF7758 #BFDF58

monochromatic

#1E409E #2855D2 #587CDF #8BA4E9 #BFCDF3

Accessibility & contrast

On white

3.92

#587CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#587CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CDF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CDF	#FFFFFF	#000000	##000000
##587CDF	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E87E3

Deuteranopia (green-blind)

#397BDD

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587cdf;
/* rgb */ color: rgb(88, 124, 223);
/* oklch */ color: oklch(60.8% 0.155 266.8);

Tailwind

colors: {
  custom: {
    50: '#92a1e9',
    500: '#587cdf',
    950: '#000000',
  },
}

SCSS

$custom: #587cdf;
$custom-light: #92a1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#587cdf",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 223
  },
  "hsl": {
    "h": 224,
    "s": 67.839,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60812,
    "c": 0.1555,
    "h": 266.8
  },
  "luminance": 0.21818
}

Semantic roles & 50–950 ramp

primary

#587CDF

secondary

#E3D5B0

accent

#9E16D0

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #587CDF

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

Preview Lab → · Contrast checker → · Palette generator →