#587B99#587B99

#587B99 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.061 H 245.0°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#587B99
RGB	rgb(88, 123, 153)
HSL	hsl(208, 27%, 47%)
HSV	hsv(208, 42%, 60%)
CMYK	cmyk(42.5%, 19.6%, 0%, 40%)
CIE-LAB	lab(50.14, -4.19, -20.06)
CIE-LCH	lch(50.14, 20.49, 258.19°)
OKLab	oklab(56.83% -0.0259 -0.0556)
OKLCH	oklch(56.83% 0.061 245)
XYZ	xyz(16.8553, 18.5395, 32.8211)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587B99 #997658

analogous

#589997 #587B99 #585B99

triadic

#587B99 #99587B #7B9958

tetradic

#587B99 #975899 #997658 #5B9958

square

#587B99 #975899 #997658 #5B9958

split-complementary

#587B99 #99585B #999758

monochromatic

#2B3D4B #425C72 #587B99 #7B99B3 #A2B7C9

Accessibility & contrast

On white

4.46

#587B99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#587B99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587B99

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587B99	#FFFFFF	#000000	##000000
##587B99	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7B9A

Deuteranopia (green-blind)

#667498

Tritanopia (blue-blind)

#3F8285

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #587b99;
/* rgb */ color: rgb(88, 123, 153);
/* oklch */ color: oklch(56.8% 0.061 245.0);

Tailwind

colors: {
  custom: {
    50: '#8aa1b7',
    500: '#587b99',
    950: '#000000',
  },
}

SCSS

$custom: #587b99;
$custom-light: #8aa1b7;
$custom-dark: #000000;

JSON

{
  "hex": "#587b99",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 153
  },
  "hsl": {
    "h": 207.692,
    "s": 26.971,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56832,
    "c": 0.06128,
    "h": 245
  },
  "luminance": 0.18541
}

Semantic roles & 50–950 ramp

primary

#587B99

secondary

#B7A596

accent

#9064C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #587B99

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

Preview Lab → · Contrast checker → · Palette generator →