#588CFB#588CFB

#588CFB is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.174 H 263.5°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#588CFB
RGB	rgb(88, 140, 251)
HSL	hsl(221, 95%, 66%)
HSV	hsv(221, 65%, 98%)
CMYK	cmyk(64.9%, 44.2%, 0%, 1.6%)
CIE-LAB	lab(59.70, 17.17, -60.58)
CIE-LCH	lch(59.70, 62.97, 285.82°)
OKLab	oklab(65.84% -0.0198 -0.1731)
OKLCH	oklch(65.84% 0.174 263.5)
XYZ	xyz(30.8091, 27.7930, 94.9890)
Luminance	0.2780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CFB #FBC758

analogous

#58DEFB #588CFB #7658FB

triadic

#588CFB #FB588C #8CFB58

tetradic

#588CFB #FB58DE #FBC758 #58FB76

square

#588CFB #FB58DE #FBC758 #58FB76

split-complementary

#588CFB #FB7658 #DEFB58

monochromatic

#0547D4 #1C63FA #588CFB #94B5FC #D0DEFE

Accessibility & contrast

On white

3.20

#588CFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#588CFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CFB

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CFB	#FFFFFF	#000000	##000000
##588CFB	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5698FF

Deuteranopia (green-blind)

#3A89F9

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #588cfb;
/* rgb */ color: rgb(88, 140, 251);
/* oklch */ color: oklch(65.8% 0.174 263.5);

Tailwind

colors: {
  custom: {
    50: '#96adfd',
    500: '#588cfb',
    950: '#000000',
  },
}

SCSS

$custom: #588cfb;
$custom-light: #96adfd;
$custom-dark: #000000;

JSON

{
  "hex": "#588cfb",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 251
  },
  "hsl": {
    "h": 220.859,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65836,
    "c": 0.17428,
    "h": 263.5
  },
  "luminance": 0.27796
}

Semantic roles & 50–950 ramp

primary

#588CFB

secondary

#F2E1BD

accent

#9C00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #588CFB

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

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