#588BDB#588BDB

#588BDB is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.7% C 0.133 H 259.1°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#588BDB
RGB	rgb(88, 139, 219)
HSL	hsl(217, 65%, 60%)
HSV	hsv(217, 60%, 86%)
CMYK	cmyk(59.8%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(57.71, 7.04, -46.01)
CIE-LCH	lch(57.71, 46.55, 278.70°)
OKLab	oklab(63.73% -0.0252 -0.1304)
OKLCH	oklch(63.73% 0.133 259.1)
XYZ	xyz(26.0388, 25.6521, 70.5832)
Luminance	0.2565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BDB #DBA858

analogous

#58CDDB #588BDB #6658DB

triadic

#588BDB #DB588B #8BDB58

tetradic

#588BDB #DB58CD #DBA858 #58DB66

square

#588BDB #DB58CD #DBA858 #58DB66

split-complementary

#588BDB #DB6658 #CDDB58

monochromatic

#214F98 #2C69CA #588BDB #8AAEE6 #BDD1F1

Accessibility & contrast

On white

3.43

#588BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#588BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BDB

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BDB	#FFFFFF	#000000	##000000
##588BDB	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6991DE

Deuteranopia (green-blind)

#5885D9

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #588bdb;
/* rgb */ color: rgb(88, 139, 219);
/* oklch */ color: oklch(63.7% 0.133 259.1);

Tailwind

colors: {
  custom: {
    50: '#91ace6',
    500: '#588bdb',
    950: '#000000',
  },
}

SCSS

$custom: #588bdb;
$custom-light: #91ace6;
$custom-dark: #000000;

JSON

{
  "hex": "#588bdb",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 216.641,
    "s": 64.532,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63733,
    "c": 0.13285,
    "h": 259.1
  },
  "luminance": 0.25654
}

Semantic roles & 50–950 ramp

primary

#588BDB

secondary

#E1CDAE

accent

#8719CC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #588BDB

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

Preview Lab → · Contrast checker → · Palette generator →