#588CB0#588CB0

#588CB0 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.8% C 0.078 H 240.0°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#588CB0
RGB	rgb(88, 140, 176)
HSL	hsl(205, 36%, 52%)
HSV	hsv(205, 50%, 69%)
CMYK	cmyk(50%, 20.5%, 0%, 31%)
CIE-LAB	lab(56.05, -7.17, -24.27)
CIE-LCH	lch(56.05, 25.31, 253.55°)
OKLab	oklab(61.8% -0.0391 -0.0676)
OKLCH	oklch(61.8% 0.078 240)
XYZ	xyz(21.2363, 23.9638, 44.5723)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CB0 #B07C58

analogous

#58B0A8 #588CB0 #5860B0

triadic

#588CB0 #B0588C #8CB058

tetradic

#588CB0 #A858B0 #B07C58 #60B058

square

#588CB0 #A858B0 #B07C58 #60B058

split-complementary

#588CB0 #B05860 #B0A858

monochromatic

#2D4B60 #416C8A #588CB0 #82A9C4 #ABC5D7

Accessibility & contrast

On white

3.63

#588CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#588CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CB0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CB0	#FFFFFF	#000000	##000000
##588CB0	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB2

Deuteranopia (green-blind)

#7082AF

Tritanopia (blue-blind)

#2C9598

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #588cb0;
/* rgb */ color: rgb(88, 140, 176);
/* oklch */ color: oklch(61.8% 0.078 240.0);

Tailwind

colors: {
  custom: {
    50: '#8cadc7',
    500: '#588cb0',
    950: '#000000',
  },
}

SCSS

$custom: #588cb0;
$custom-light: #8cadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#588cb0",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 204.545,
    "s": 35.772,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61799,
    "c": 0.07805,
    "h": 240
  },
  "luminance": 0.23965
}

Semantic roles & 50–950 ramp

primary

#588CB0

secondary

#C5AE9F

accent

#8A5CCC

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #588CB0

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

Preview Lab → · Contrast checker → · Palette generator →