#588DEF#588DEF

#588DEF is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.157 H 261.6°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#588DEF
RGB	rgb(88, 141, 239)
HSL	hsl(219, 83%, 64%)
HSV	hsv(219, 63%, 94%)
CMYK	cmyk(63.2%, 41%, 0%, 6.3%)
CIE-LAB	lab(59.30, 12.52, -54.61)
CIE-LCH	lch(59.30, 56.02, 282.91°)
OKLab	oklab(65.31% -0.0229 -0.1556)
OKLCH	oklch(65.31% 0.157 261.6)
XYZ	xyz(29.1239, 27.3537, 85.3896)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588DEF #EFBA58

analogous

#58D9EF #588DEF #6F58EF

triadic

#588DEF #EF588D #8DEF58

tetradic

#588DEF #EF58D9 #EFBA58 #58EF6F

square

#588DEF #EF58D9 #EFBA58 #58EF6F

split-complementary

#588DEF #EF6F58 #D9EF58

monochromatic

#124DBB #2067EA #588DEF #90B3F4 #C8D9FA

Accessibility & contrast

On white

3.25

#588DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#588DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588DEF

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588DEF	#FFFFFF	#000000	##000000
##588DEF	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F3

Deuteranopia (green-blind)

#4A88ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #588def;
/* rgb */ color: rgb(88, 141, 239);
/* oklch */ color: oklch(65.3% 0.157 261.6);

Tailwind

colors: {
  custom: {
    50: '#94adf5',
    500: '#588def',
    950: '#000000',
  },
}

SCSS

$custom: #588def;
$custom-light: #94adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#588def",
  "rgb": {
    "r": 88,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 218.94,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65311,
    "c": 0.15727,
    "h": 261.6
  },
  "luminance": 0.27356
}

Semantic roles & 50–950 ramp

primary

#588DEF

secondary

#ECD9B7

accent

#9307DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588DEF

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

Preview Lab → · Contrast checker → · Palette generator →