#588BF3#588BF3

#588BF3 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.165 H 263.0°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#588BF3
RGB	rgb(88, 139, 243)
HSL	hsl(220, 87%, 65%)
HSV	hsv(220, 64%, 95%)
CMYK	cmyk(63.8%, 42.8%, 0%, 4.7%)
CIE-LAB	lab(58.98, 15.06, -57.33)
CIE-LCH	lch(58.98, 59.27, 284.72°)
OKLab	oklab(65.14% -0.0202 -0.1636)
OKLCH	oklch(65.14% 0.165 263)
XYZ	xyz(29.4291, 27.0082, 88.4389)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BF3 #F3C058

analogous

#58D9F3 #588BF3 #7358F3

triadic

#588BF3 #F3588B #8BF358

tetradic

#588BF3 #F358D9 #F3C058 #58F373

square

#588BF3 #F358D9 #F3C058 #58F373

split-complementary

#588BF3 #F37358 #D9F358

monochromatic

#0E49C3 #1F63EF #588BF3 #91B3F7 #CADAFB

Accessibility & contrast

On white

3.28

#588BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#588BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BF3

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BF3	#FFFFFF	#000000	##000000
##588BF3	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A96F7

Deuteranopia (green-blind)

#4287F1

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #588bf3;
/* rgb */ color: rgb(88, 139, 243);
/* oklch */ color: oklch(65.1% 0.165 263.0);

Tailwind

colors: {
  custom: {
    50: '#95acf7',
    500: '#588bf3',
    950: '#000000',
  },
}

SCSS

$custom: #588bf3;
$custom-light: #95acf7;
$custom-dark: #000000;

JSON

{
  "hex": "#588bf3",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 243
  },
  "hsl": {
    "h": 220.258,
    "s": 86.592,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65136,
    "c": 0.16483,
    "h": 263
  },
  "luminance": 0.27011
}

Semantic roles & 50–950 ramp

primary

#588BF3

secondary

#EEDCB9

accent

#9902E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588BF3

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

Preview Lab → · Contrast checker → · Palette generator →