#588BD9#588BD9

#588BD9 is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.6% C 0.130 H 258.6°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#588BD9
RGB	rgb(88, 139, 217)
HSL	hsl(216, 63%, 60%)
HSV	hsv(216, 59%, 85%)
CMYK	cmyk(59.4%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(57.60, 6.38, -45.05)
CIE-LCH	lch(57.60, 45.50, 278.06°)
OKLab	oklab(63.62% -0.0257 -0.1276)
OKLCH	oklch(63.62% 0.13 258.6)
XYZ	xyz(25.7771, 25.5474, 69.2049)
Luminance	0.2555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BD9 #D9A658

analogous

#58CCD9 #588BD9 #6658D9

triadic

#588BD9 #D9588B #8BD958

tetradic

#588BD9 #D958CC #D9A658 #58D966

square

#588BD9 #D958CC #D9A658 #58D966

split-complementary

#588BD9 #D96658 #CCD958

monochromatic

#224F95 #2D6AC7 #588BD9 #8AAEE4 #BCD0F0

Accessibility & contrast

On white

3.44

#588BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#588BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BD9

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BD9	#FFFFFF	#000000	##000000
##588BD9	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A91DC

Deuteranopia (green-blind)

#5985D7

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #588bd9;
/* rgb */ color: rgb(88, 139, 217);
/* oklch */ color: oklch(63.6% 0.130 258.6);

Tailwind

colors: {
  custom: {
    50: '#91ace5',
    500: '#588bd9',
    950: '#000000',
  },
}

SCSS

$custom: #588bd9;
$custom-light: #91ace5;
$custom-dark: #000000;

JSON

{
  "hex": "#588bd9",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 216.279,
    "s": 62.927,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63622,
    "c": 0.13019,
    "h": 258.6
  },
  "luminance": 0.2555
}

Semantic roles & 50–950 ramp

primary

#588BD9

secondary

#DFCCAD

accent

#A542E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #588BD9

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

Preview Lab → · Contrast checker → · Palette generator →