#587CBC#587CBC

#587CBC is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.8% C 0.107 H 261.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#587CBC
RGB	rgb(88, 124, 188)
HSL	hsl(218, 43%, 54%)
HSV	hsv(218, 53%, 74%)
CMYK	cmyk(53.2%, 34%, 0%, 26.3%)
CIE-LAB	lab(51.97, 5.92, -37.50)
CIE-LCH	lch(51.97, 37.96, 278.98°)
OKLab	oklab(58.77% -0.0161 -0.1057)
OKLCH	oklch(58.77% 0.107 261.3)
XYZ	xyz(20.3062, 20.1193, 50.3806)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CBC #BC9858

analogous

#58AEBC #587CBC #6658BC

triadic

#587CBC #BC587C #7CBC58

tetradic

#587CBC #BC58AE #BC9858 #58BC66

square

#587CBC #BC58AE #BC9858 #58BC66

split-complementary

#587CBC #BC6658 #AEBC58

monochromatic

#2C446E #3E5F99 #587CBC #849ECE #AFC1DF

Accessibility & contrast

On white

4.18

#587CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#587CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CBC

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CBC	#FFFFFF	#000000	##000000
##587CBC	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BF

Deuteranopia (green-blind)

#5778BB

Tritanopia (blue-blind)

#238A93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587cbc;
/* rgb */ color: rgb(88, 124, 188);
/* oklch */ color: oklch(58.8% 0.107 261.3);

Tailwind

colors: {
  custom: {
    50: '#8da1d0',
    500: '#587cbc',
    950: '#000000',
  },
}

SCSS

$custom: #587cbc;
$custom-light: #8da1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#587cbc",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 218.4,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58771,
    "c": 0.10697,
    "h": 261.3
  },
  "luminance": 0.20121
}

Semantic roles & 50–950 ramp

primary

#587CBC

secondary

#CDBEA3

accent

#A555D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #587CBC

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

Preview Lab → · Contrast checker → · Palette generator →