#588BDD#588BDD

#588BDD is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.8% C 0.136 H 259.5°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#588BDD
RGB	rgb(88, 139, 221)
HSL	hsl(217, 66%, 61%)
HSV	hsv(217, 60%, 87%)
CMYK	cmyk(60.2%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(57.81, 7.70, -46.97)
CIE-LCH	lch(57.81, 47.60, 279.31°)
OKLab	oklab(63.85% -0.0247 -0.1332)
OKLCH	oklch(63.85% 0.136 259.5)
XYZ	xyz(26.3037, 25.7581, 71.9782)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BDD #DDAA58

analogous

#58CEDD #588BDD #6758DD

triadic

#588BDD #DD588B #8BDD58

tetradic

#588BDD #DD58CE #DDAA58 #58DD67

square

#588BDD #DD58CE #DDAA58 #58DD67

split-complementary

#588BDD #DD6758 #CEDD58

monochromatic

#204F9B #2A69CE #588BDD #8BAEE7 #BED2F2

Accessibility & contrast

On white

3.41

#588BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#588BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BDD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BDD	#FFFFFF	#000000	##000000
##588BDD	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E0

Deuteranopia (green-blind)

#5685DB

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #588bdd;
/* rgb */ color: rgb(88, 139, 221);
/* oklch */ color: oklch(63.8% 0.136 259.5);

Tailwind

colors: {
  custom: {
    50: '#92ace8',
    500: '#588bdd',
    950: '#000000',
  },
}

SCSS

$custom: #588bdd;
$custom-light: #92ace8;
$custom-dark: #000000;

JSON

{
  "hex": "#588bdd",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 216.992,
    "s": 66.169,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63845,
    "c": 0.13551,
    "h": 259.5
  },
  "luminance": 0.2576
}

Semantic roles & 50–950 ramp

primary

#588BDD

secondary

#E2CEAF

accent

#8817CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #588BDD

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

Preview Lab → · Contrast checker → · Palette generator →