#588EFB#588EFB

#588EFB is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.2% C 0.172 H 262.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#588EFB
RGB	rgb(88, 142, 251)
HSL	hsl(220, 95%, 66%)
HSV	hsv(220, 65%, 98%)
CMYK	cmyk(64.9%, 43.4%, 0%, 1.6%)
CIE-LAB	lab(60.23, 15.97, -59.73)
CIE-LCH	lch(60.23, 61.83, 284.97°)
OKLab	oklab(66.25% -0.0217 -0.1706)
OKLCH	oklch(66.25% 0.172 262.8)
XYZ	xyz(31.1040, 28.3828, 95.0873)
Luminance	0.2839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588EFB #FBC558

analogous

#58DFFB #588EFB #7458FB

triadic

#588EFB #FB588E #8EFB58

tetradic

#588EFB #FB58DF #FBC558 #58FB74

square

#588EFB #FB58DF #FBC558 #58FB74

split-complementary

#588EFB #FB7458 #DFFB58

monochromatic

#0549D4 #1C66FA #588EFB #94B6FC #D0DFFE

Accessibility & contrast

On white

3.15

#588EFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#588EFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588EFB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588EFB	#FFFFFF	#000000	##000000
##588EFB	1.00	3.15	6.68	6.68
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A99FF

Deuteranopia (green-blind)

#3E8AF9

Tritanopia (blue-blind)

#00A7B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #588efb;
/* rgb */ color: rgb(88, 142, 251);
/* oklch */ color: oklch(66.2% 0.172 262.8);

Tailwind

colors: {
  custom: {
    50: '#96aefd',
    500: '#588efb',
    950: '#000000',
  },
}

SCSS

$custom: #588efb;
$custom-light: #96aefd;
$custom-dark: #000000;

JSON

{
  "hex": "#588efb",
  "rgb": {
    "r": 88,
    "g": 142,
    "b": 251
  },
  "hsl": {
    "h": 220.123,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66245,
    "c": 0.17199,
    "h": 262.8
  },
  "luminance": 0.28386
}

Semantic roles & 50–950 ramp

primary

#588EFB

secondary

#F2E0BD

accent

#9900E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #588EFB

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

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