#588EE9#588EE9

#588EE9 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.148 H 260.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#588EE9
RGB	rgb(88, 142, 233)
HSL	hsl(218, 77%, 63%)
HSV	hsv(218, 62%, 91%)
CMYK	cmyk(62.2%, 39.1%, 0%, 8.6%)
CIE-LAB	lab(59.25, 9.91, -51.36)
CIE-LCH	lch(59.25, 52.31, 280.92°)
OKLab	oklab(65.17% -0.0251 -0.1461)
OKLCH	oklch(65.17% 0.148 260.2)
XYZ	xyz(28.4003, 27.3013, 80.8480)
Luminance	0.2730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588EE9 #E9B358

analogous

#58D7E9 #588EE9 #6A58E9

triadic

#588EE9 #E9588E #8EE958

tetradic

#588EE9 #E958D7 #E9B358 #58E96A

square

#588EE9 #E958D7 #E9B358 #58E96A

split-complementary

#588EE9 #E96A58 #D7E958

monochromatic

#1750AF #2269E2 #588EE9 #8EB3F0 #C4D7F7

Accessibility & contrast

On white

3.25

#588EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#588EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588EE9

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588EE9	#FFFFFF	#000000	##000000
##588EE9	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6696ED

Deuteranopia (green-blind)

#5188E7

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #588ee9;
/* rgb */ color: rgb(88, 142, 233);
/* oklch */ color: oklch(65.2% 0.148 260.2);

Tailwind

colors: {
  custom: {
    50: '#93aef0',
    500: '#588ee9',
    950: '#000000',
  },
}

SCSS

$custom: #588ee9;
$custom-light: #93aef0;
$custom-dark: #000000;

JSON

{
  "hex": "#588ee9",
  "rgb": {
    "r": 88,
    "g": 142,
    "b": 233
  },
  "hsl": {
    "h": 217.655,
    "s": 76.72,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65169,
    "c": 0.1482,
    "h": 260.2
  },
  "luminance": 0.27304
}

Semantic roles & 50–950 ramp

primary

#588EE9

secondary

#E8D5B4

accent

#8D0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588EE9

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

Preview Lab → · Contrast checker → · Palette generator →