#588CEF#588CEF

#588CEF is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.158 H 262.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#588CEF
RGB	rgb(88, 140, 239)
HSL	hsl(219, 83%, 64%)
HSV	hsv(219, 63%, 94%)
CMYK	cmyk(63.2%, 41.4%, 0%, 6.3%)
CIE-LAB	lab(59.03, 13.11, -55.04)
CIE-LCH	lch(59.03, 56.58, 283.40°)
OKLab	oklab(65.1% -0.0219 -0.1569)
OKLCH	oklch(65.1% 0.158 262)
XYZ	xyz(28.9771, 27.0602, 85.3407)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CEF #EFBB58

analogous

#58D7EF #588CEF #7058EF

triadic

#588CEF #EF588C #8CEF58

tetradic

#588CEF #EF58D7 #EFBB58 #58EF70

square

#588CEF #EF58D7 #EFBB58 #58EF70

split-complementary

#588CEF #EF7058 #D7EF58

monochromatic

#124CBB #2066EA #588CEF #90B2F4 #C8D9FA

Accessibility & contrast

On white

3.27

#588CEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#588CEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CEF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CEF	#FFFFFF	#000000	##000000
##588CEF	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F96F3

Deuteranopia (green-blind)

#4888ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #588cef;
/* rgb */ color: rgb(88, 140, 239);
/* oklch */ color: oklch(65.1% 0.158 262.0);

Tailwind

colors: {
  custom: {
    50: '#94adf5',
    500: '#588cef',
    950: '#000000',
  },
}

SCSS

$custom: #588cef;
$custom-light: #94adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#588cef",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 239
  },
  "hsl": {
    "h": 219.338,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65102,
    "c": 0.15838,
    "h": 262
  },
  "luminance": 0.27063
}

Semantic roles & 50–950 ramp

primary

#588CEF

secondary

#ECDAB7

accent

#9407DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #588CEF

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

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