#588FCB#588FCB

#588FCB is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.8% C 0.108 H 251.8°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#588FCB
RGB	rgb(88, 143, 203)
HSL	hsl(211, 53%, 57%)
HSV	hsv(211, 57%, 80%)
CMYK	cmyk(56.7%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(58.06, -0.51, -36.47)
CIE-LCH	lch(58.06, 36.47, 269.20°)
OKLab	oklab(63.76% -0.0338 -0.1026)
OKLCH	oklch(63.76% 0.108 251.8)
XYZ	xyz(24.6226, 26.0293, 60.2149)
Luminance	0.2603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588FCB #CB9458

analogous

#58C9CB #588FCB #5B58CB

triadic

#588FCB #CB588F #8FCB58

tetradic

#588FCB #CB58C9 #CB9458 #58CB5B

square

#588FCB #CB58C9 #CB9458 #58CB5B

split-complementary

#588FCB #CB5B58 #C9CB58

monochromatic

#285281 #3770AF #588FCB #87AEDA #B5CEE8

Accessibility & contrast

On white

3.38

#588FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#588FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588FCB

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588FCB	#FFFFFF	#000000	##000000
##588FCB	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6787CA

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #588fcb;
/* rgb */ color: rgb(88, 143, 203);
/* oklch */ color: oklch(63.8% 0.108 251.8);

Tailwind

colors: {
  custom: {
    50: '#8fafdb',
    500: '#588fcb',
    950: '#000000',
  },
}

SCSS

$custom: #588fcb;
$custom-light: #8fafdb;
$custom-dark: #000000;

JSON

{
  "hex": "#588fcb",
  "rgb": {
    "r": 88,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 211.304,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63763,
    "c": 0.10804,
    "h": 251.8
  },
  "luminance": 0.26031
}

Semantic roles & 50–950 ramp

primary

#588FCB

secondary

#D7C0A8

accent

#974CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #588FCB

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

Preview Lab → · Contrast checker → · Palette generator →