#587B91#587B91

#587B91 is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.052 H 236.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#587B91
RGB	rgb(88, 123, 145)
HSL	hsl(203, 24%, 46%)
HSV	hsv(203, 39%, 57%)
CMYK	cmyk(39.3%, 15.2%, 0%, 43.1%)
CIE-LAB	lab(49.84, -6.47, -15.84)
CIE-LCH	lch(49.84, 17.11, 247.78°)
OKLab	oklab(56.49% -0.0289 -0.0436)
OKLCH	oklch(56.49% 0.052 236.5)
XYZ	xyz(16.2166, 18.2840, 29.4572)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587B91 #916E58

analogous

#58918A #587B91 #585E91

triadic

#587B91 #91587B #7B9158

tetradic

#587B91 #8A5891 #916E58 #5E9158

square

#587B91 #8A5891 #916E58 #5E9158

split-complementary

#587B91 #91585E #918A58

monochromatic

#2A3A45 #415B6B #587B91 #7999AD #9FB6C5

Accessibility & contrast

On white

4.51

#587B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#587B91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587B91

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587B91	#FFFFFF	#000000	##000000
##587B91	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717A92

Deuteranopia (green-blind)

#697491

Tritanopia (blue-blind)

#438182

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #587b91;
/* rgb */ color: rgb(88, 123, 145);
/* oklch */ color: oklch(56.5% 0.052 236.5);

Tailwind

colors: {
  custom: {
    50: '#89a1b1',
    500: '#587b91',
    950: '#000000',
  },
}

SCSS

$custom: #587b91;
$custom-light: #89a1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#587b91",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 145
  },
  "hsl": {
    "h": 203.158,
    "s": 24.464,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5649,
    "c": 0.05233,
    "h": 236.5
  },
  "luminance": 0.18285
}

Semantic roles & 50–950 ramp

primary

#587B91

secondary

#B29F93

accent

#8A67C1

background

#F8F9FA

surface

#F0F2F5

border

#CBCCCF

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #587B91

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

Preview Lab → · Contrast checker → · Palette generator →