#5581F6#5581F6

#5581F6 is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.2% C 0.181 H 265.9°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#5581F6
RGB	rgb(85, 129, 246)
HSL	hsl(224, 90%, 65%)
HSV	hsv(224, 65%, 96%)
CMYK	cmyk(65.4%, 47.6%, 0%, 3.5%)
CIE-LAB	lab(56.37, 21.64, -63.18)
CIE-LCH	lch(56.37, 66.78, 288.91°)
OKLab	oklab(63.15% -0.013 -0.181)
OKLCH	oklch(63.15% 0.181 265.9)
XYZ	xyz(28.2253, 24.2829, 90.3705)
Luminance	0.2429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581F6 #F6CA55

analogous

#55D2F6 #5581F6 #7955F6

triadic

#5581F6 #F65581 #81F655

tetradic

#5581F6 #F655D2 #F6CA55 #55F679

square

#5581F6 #F655D2 #F6CA55 #55F679

split-complementary

#5581F6 #F67955 #D2F655

monochromatic

#0A3EC6 #1B56F3 #5581F6 #8FACF9 #C9D7FC

Accessibility & contrast

On white

3.59

#5581F6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#5581F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581F6

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581F6	#FFFFFF	#000000	##000000
##5581F6	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438FFA

Deuteranopia (green-blind)

#1D80F4

Tritanopia (blue-blind)

#009CB0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5581f6;
/* rgb */ color: rgb(85, 129, 246);
/* oklch */ color: oklch(63.2% 0.181 265.9);

Tailwind

colors: {
  custom: {
    50: '#94a5fa',
    500: '#5581f6',
    950: '#000000',
  },
}

SCSS

$custom: #5581f6;
$custom-light: #94a5fa;
$custom-dark: #000000;

JSON

{
  "hex": "#5581f6",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 246
  },
  "hsl": {
    "h": 223.602,
    "s": 89.944,
    "l": 64.902
  },
  "oklch": {
    "l": 0.63153,
    "c": 0.18145,
    "h": 265.9
  },
  "luminance": 0.24286
}

Semantic roles & 50–950 ramp

primary

#5581F6

secondary

#EFE0B8

accent

#A700E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5581F6

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

Preview Lab → · Contrast checker → · Palette generator →