#5781F7#5781F7

#5781F7 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.3% C 0.182 H 266.5°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5781F7
RGB	rgb(87, 129, 247)
HSL	hsl(224, 91%, 65%)
HSV	hsv(224, 65%, 97%)
CMYK	cmyk(64.8%, 47.8%, 0%, 3.1%)
CIE-LAB	lab(56.53, 22.30, -63.48)
CIE-LCH	lch(56.53, 67.28, 289.36°)
OKLab	oklab(63.32% -0.0111 -0.1818)
OKLCH	oklch(63.32% 0.182 266.5)
XYZ	xyz(28.5634, 24.4395, 91.1897)
Luminance	0.2444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781F7 #F7CD57

analogous

#57D1F7 #5781F7 #7D57F7

triadic

#5781F7 #F75781 #81F757

tetradic

#5781F7 #F757D1 #F7CD57 #57F77D

square

#5781F7 #F757D1 #F7CD57 #57F77D

split-complementary

#5781F7 #F77D57 #D1F757

monochromatic

#0A3CCA #1D55F4 #5781F7 #91ADFA #CCD9FD

Accessibility & contrast

On white

3.57

#5781F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#5781F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781F7

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781F7	#FFFFFF	#000000	##000000
##5781F7	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#428FFB

Deuteranopia (green-blind)

#1C81F5

Tritanopia (blue-blind)

#009CB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5781f7;
/* rgb */ color: rgb(87, 129, 247);
/* oklch */ color: oklch(63.3% 0.182 266.5);

Tailwind

colors: {
  custom: {
    50: '#96a5fa',
    500: '#5781f7',
    950: '#000000',
  },
}

SCSS

$custom: #5781f7;
$custom-light: #96a5fa;
$custom-dark: #000000;

JSON

{
  "hex": "#5781f7",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 247
  },
  "hsl": {
    "h": 224.25,
    "s": 90.909,
    "l": 65.49
  },
  "oklch": {
    "l": 0.63316,
    "c": 0.18217,
    "h": 266.5
  },
  "luminance": 0.24442
}

Semantic roles & 50–950 ramp

primary

#5781F7

secondary

#F0E2BA

accent

#A900E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5781F7

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

Preview Lab → · Contrast checker → · Palette generator →