#587CB6#587CB6

#587CB6 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.099 H 259.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#587CB6
RGB	rgb(88, 124, 182)
HSL	hsl(217, 39%, 53%)
HSV	hsv(217, 52%, 71%)
CMYK	cmyk(51.6%, 31.9%, 0%, 28.6%)
CIE-LAB	lab(51.69, 4.02, -34.50)
CIE-LCH	lch(51.69, 34.73, 276.64°)
OKLab	oklab(58.45% -0.0178 -0.097)
OKLCH	oklch(58.45% 0.099 259.6)
XYZ	xyz(19.6728, 19.8660, 47.0447)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CB6 #B69258

analogous

#58ABB6 #587CB6 #6358B6

triadic

#587CB6 #B6587C #7CB658

tetradic

#587CB6 #B658AB #B69258 #58B663

square

#587CB6 #B658AB #B69258 #58B663

split-complementary

#587CB6 #B66358 #ABB658

monochromatic

#2D4367 #405F91 #587CB6 #839DC9 #ADBFDB

Accessibility & contrast

On white

4.22

#587CB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#587CB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CB6

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CB6	#FFFFFF	#000000	##000000
##587CB6	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6580B8

Deuteranopia (green-blind)

#5A77B5

Tritanopia (blue-blind)

#2A8991

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587cb6;
/* rgb */ color: rgb(88, 124, 182);
/* oklch */ color: oklch(58.5% 0.099 259.6);

Tailwind

colors: {
  custom: {
    50: '#8da1cc',
    500: '#587cb6',
    950: '#000000',
  },
}

SCSS

$custom: #587cb6;
$custom-light: #8da1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#587cb6",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 182
  },
  "hsl": {
    "h": 217.021,
    "s": 39.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58454,
    "c": 0.09864,
    "h": 259.6
  },
  "luminance": 0.19867
}

Semantic roles & 50–950 ramp

primary

#587CB6

secondary

#C9BAA1

accent

#A259CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0D0F13

muted

#7D7E82

Preview Lab

Preview with #587CB6

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

Preview Lab → · Contrast checker → · Palette generator →