#587FCF#587FCF

#587FCF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.130 H 263.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#587FCF
RGB	rgb(88, 127, 207)
HSL	hsl(220, 55%, 58%)
HSV	hsv(220, 57%, 81%)
CMYK	cmyk(57.5%, 38.6%, 0%, 18.8%)
CIE-LAB	lab(53.77, 10.28, -45.49)
CIE-LCH	lch(53.77, 46.64, 282.73°)
OKLab	oklab(60.48% -0.015 -0.129)
OKLCH	oklch(60.48% 0.13 263.4)
XYZ	xyz(22.8725, 21.7566, 62.0135)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FCF #CFA858

analogous

#58BBCF #587FCF #6C58CF

triadic

#587FCF #CF587F #7FCF58

tetradic

#587FCF #CF58BB #CFA858 #58CF6C

square

#587FCF #CF58BB #CFA858 #58CF6C

split-complementary

#587FCF #CF6C58 #BBCF58

monochromatic

#274686 #345FB6 #587FCF #88A3DD #B7C8EA

Accessibility & contrast

On white

3.92

#587FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#587FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FCF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FCF	#FFFFFF	#000000	##000000
##587FCF	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D2

Deuteranopia (green-blind)

#4E7BCD

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587fcf;
/* rgb */ color: rgb(88, 127, 207);
/* oklch */ color: oklch(60.5% 0.130 263.4);

Tailwind

colors: {
  custom: {
    50: '#90a3de',
    500: '#587fcf',
    950: '#000000',
  },
}

SCSS

$custom: #587fcf;
$custom-light: #90a3de;
$custom-dark: #000000;

JSON

{
  "hex": "#587fcf",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 207
  },
  "hsl": {
    "h": 220.336,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60478,
    "c": 0.12991,
    "h": 263.4
  },
  "luminance": 0.21758
}

Semantic roles & 50–950 ramp

primary

#587FCF

secondary

#D9CAAA

accent

#AE49DF

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #587FCF

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

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