#588BEF#588BEF

#588BEF is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.160 H 262.5°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#588BEF
RGB	rgb(88, 139, 239)
HSL	hsl(220, 83%, 64%)
HSV	hsv(220, 63%, 94%)
CMYK	cmyk(63.2%, 41.8%, 0%, 6.3%)
CIE-LAB	lab(58.76, 13.71, -55.47)
CIE-LCH	lch(58.76, 57.14, 283.89°)
OKLab	oklab(64.89% -0.0209 -0.1581)
OKLCH	oklch(64.89% 0.16 262.5)
XYZ	xyz(28.8316, 26.7693, 85.2922)
Luminance	0.2677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BEF #EFBC58

analogous

#58D7EF #588BEF #7158EF

triadic

#588BEF #EF588B #8BEF58

tetradic

#588BEF #EF58D7 #EFBC58 #58EF71

square

#588BEF #EF58D7 #EFBC58 #58EF71

split-complementary

#588BEF #EF7158 #D7EF58

monochromatic

#124BBB #2064EA #588BEF #90B2F4 #C8D9FA

Accessibility & contrast

On white

3.30

#588BEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#588BEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BEF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BEF	#FFFFFF	#000000	##000000
##588BEF	1.00	3.30	6.35	6.35
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F3

Deuteranopia (green-blind)

#4687ED

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #588bef;
/* rgb */ color: rgb(88, 139, 239);
/* oklch */ color: oklch(64.9% 0.160 262.5);

Tailwind

colors: {
  custom: {
    50: '#94acf5',
    500: '#588bef',
    950: '#000000',
  },
}

SCSS

$custom: #588bef;
$custom-light: #94acf5;
$custom-dark: #000000;

JSON

{
  "hex": "#588bef",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 239
  },
  "hsl": {
    "h": 219.735,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.64894,
    "c": 0.15952,
    "h": 262.5
  },
  "luminance": 0.26772
}

Semantic roles & 50–950 ramp

primary

#588BEF

secondary

#ECDAB7

accent

#9607DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588BEF

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

Preview Lab → · Contrast checker → · Palette generator →