#588CDD#588CDD

#588CDD is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.1% C 0.134 H 259.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#588CDD
RGB	rgb(88, 140, 221)
HSL	hsl(217, 66%, 61%)
HSV	hsv(217, 60%, 87%)
CMYK	cmyk(60.2%, 36.7%, 0%, 13.3%)
CIE-LAB	lab(58.08, 7.11, -46.53)
CIE-LCH	lch(58.08, 47.07, 278.68°)
OKLab	oklab(64.06% -0.0258 -0.132)
OKLCH	oklch(64.06% 0.134 259)
XYZ	xyz(26.4491, 26.0490, 72.0267)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CDD #DDA958

analogous

#58CFDD #588CDD #6658DD

triadic

#588CDD #DD588C #8CDD58

tetradic

#588CDD #DD58CF #DDA958 #58DD66

square

#588CDD #DD58CF #DDA958 #58DD66

split-complementary

#588CDD #DD6658 #CFDD58

monochromatic

#20509B #2A6ACE #588CDD #8BAFE7 #BED2F2

Accessibility & contrast

On white

3.38

#588CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#588CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CDD

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CDD	#FFFFFF	#000000	##000000
##588CDD	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92E0

Deuteranopia (green-blind)

#5886DB

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #588cdd;
/* rgb */ color: rgb(88, 140, 221);
/* oklch */ color: oklch(64.1% 0.134 259.0);

Tailwind

colors: {
  custom: {
    50: '#92ade8',
    500: '#588cdd',
    950: '#000000',
  },
}

SCSS

$custom: #588cdd;
$custom-light: #92ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#588cdd",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 221
  },
  "hsl": {
    "h": 216.541,
    "s": 66.169,
    "l": 60.588
  },
  "oklch": {
    "l": 0.6406,
    "c": 0.13444,
    "h": 259
  },
  "luminance": 0.26051
}

Semantic roles & 50–950 ramp

primary

#588CDD

secondary

#E2CEAF

accent

#8717CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #588CDD

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

Preview Lab → · Contrast checker → · Palette generator →