#588EEB#588EEB

#588EEB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.151 H 260.6°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#588EEB
RGB	rgb(88, 142, 235)
HSL	hsl(218, 79%, 63%)
HSV	hsv(218, 63%, 92%)
CMYK	cmyk(62.6%, 39.6%, 0%, 7.8%)
CIE-LAB	lab(59.36, 10.58, -52.30)
CIE-LCH	lch(59.36, 53.36, 281.43°)
OKLab	oklab(65.29% -0.0247 -0.1488)
OKLCH	oklch(65.29% 0.151 260.6)
XYZ	xyz(28.6876, 27.4162, 82.3612)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588EEB #EBB558

analogous

#58D8EB #588EEB #6B58EB

triadic

#588EEB #EB588E #8EEB58

tetradic

#588EEB #EB58D8 #EBB558 #58EB6B

square

#588EEB #EB58D8 #EBB558 #58EB6B

split-complementary

#588EEB #EB6B58 #D8EB58

monochromatic

#154FB3 #2169E4 #588EEB #8FB3F2 #C5D8F8

Accessibility & contrast

On white

3.24

#588EEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#588EEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588EEB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588EEB	#FFFFFF	#000000	##000000
##588EEB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6596EF

Deuteranopia (green-blind)

#5089E9

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #588eeb;
/* rgb */ color: rgb(88, 142, 235);
/* oklch */ color: oklch(65.3% 0.151 260.6);

Tailwind

colors: {
  custom: {
    50: '#94aef2',
    500: '#588eeb',
    950: '#000000',
  },
}

SCSS

$custom: #588eeb;
$custom-light: #94aef2;
$custom-dark: #000000;

JSON

{
  "hex": "#588eeb",
  "rgb": {
    "r": 88,
    "g": 142,
    "b": 235
  },
  "hsl": {
    "h": 217.959,
    "s": 78.61,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65285,
    "c": 0.15084,
    "h": 260.6
  },
  "luminance": 0.27419
}

Semantic roles & 50–950 ramp

primary

#588EEB

secondary

#EAD6B5

accent

#8E0BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588EEB

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

Preview Lab → · Contrast checker → · Palette generator →