#588DFB#588DFB

#588DFB is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.0% C 0.173 H 263.1°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#588DFB
RGB	rgb(88, 141, 251)
HSL	hsl(220, 95%, 66%)
HSV	hsv(220, 65%, 98%)
CMYK	cmyk(64.9%, 43.8%, 0%, 1.6%)
CIE-LAB	lab(59.97, 16.57, -60.16)
CIE-LCH	lch(59.97, 62.40, 285.40°)
OKLab	oklab(66.04% -0.0207 -0.1719)
OKLCH	oklch(66.04% 0.173 263.1)
XYZ	xyz(30.9558, 28.0865, 95.0379)
Luminance	0.2809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588DFB #FBC658

analogous

#58DFFB #588DFB #7558FB

triadic

#588DFB #FB588D #8DFB58

tetradic

#588DFB #FB58DF #FBC658 #58FB75

square

#588DFB #FB58DF #FBC658 #58FB75

split-complementary

#588DFB #FB7558 #DFFB58

monochromatic

#0548D4 #1C64FA #588DFB #94B6FC #D0DFFE

Accessibility & contrast

On white

3.17

#588DFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#588DFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588DFB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588DFB	#FFFFFF	#000000	##000000
##588DFB	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5899FF

Deuteranopia (green-blind)

#3C8AF9

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #588dfb;
/* rgb */ color: rgb(88, 141, 251);
/* oklch */ color: oklch(66.0% 0.173 263.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#588dfb",
  "rgb": {
    "r": 88,
    "g": 141,
    "b": 251
  },
  "hsl": {
    "h": 220.491,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.6604,
    "c": 0.17314,
    "h": 263.1
  },
  "luminance": 0.28089
}

Semantic roles & 50–950 ramp

primary

#588DFB

secondary

#F2E1BD

accent

#9B00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #588DFB

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

Preview Lab → · Contrast checker → · Palette generator →