#588CB4#588CB4

#588CB4 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.082 H 242.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#588CB4
RGB	rgb(88, 140, 180)
HSL	hsl(206, 38%, 53%)
HSV	hsv(206, 51%, 71%)
CMYK	cmyk(51.1%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(56.21, -5.96, -26.31)
CIE-LCH	lch(56.21, 26.98, 257.24°)
OKLab	oklab(61.98% -0.0377 -0.0734)
OKLCH	oklch(61.98% 0.082 242.8)
XYZ	xyz(21.6379, 24.1245, 46.6874)
Luminance	0.2413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CB4 #B48058

analogous

#58B4AE #588CB4 #585EB4

triadic

#588CB4 #B4588C #8CB458

tetradic

#588CB4 #AE58B4 #B48058 #5EB458

square

#588CB4 #AE58B4 #B48058 #5EB458

split-complementary

#588CB4 #B4585E #B4AE58

monochromatic

#2D4C64 #406D8F #588CB4 #82A9C7 #ACC6DA

Accessibility & contrast

On white

3.61

#588CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#588CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CB4

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CB4	#FFFFFF	#000000	##000000
##588CB4	1.00	3.61	5.83	5.83
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB6

Deuteranopia (green-blind)

#6F83B3

Tritanopia (blue-blind)

#289699

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #588cb4;
/* rgb */ color: rgb(88, 140, 180);
/* oklch */ color: oklch(62.0% 0.082 242.8);

Tailwind

colors: {
  custom: {
    50: '#8dadca',
    500: '#588cb4',
    950: '#000000',
  },
}

SCSS

$custom: #588cb4;
$custom-light: #8dadca;
$custom-dark: #000000;

JSON

{
  "hex": "#588cb4",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 206.087,
    "s": 38.017,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61979,
    "c": 0.08248,
    "h": 242.8
  },
  "luminance": 0.24126
}

Semantic roles & 50–950 ramp

primary

#588CB4

secondary

#C8B1A0

accent

#8C5ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #588CB4

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

Preview Lab → · Contrast checker → · Palette generator →