#5781FA#5781FA

#5781FA is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.5% C 0.186 H 266.7°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#5781FA
RGB	rgb(87, 129, 250)
HSL	hsl(225, 94%, 66%)
HSV	hsv(225, 65%, 98%)
CMYK	cmyk(65.2%, 48.4%, 0%, 2%)
CIE-LAB	lab(56.71, 23.32, -64.84)
CIE-LCH	lch(56.71, 68.91, 289.78°)
OKLab	oklab(63.52% -0.0107 -0.1858)
OKLCH	oklch(63.52% 0.186 266.7)
XYZ	xyz(29.0301, 24.6261, 93.6474)
Luminance	0.2463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781FA #FAD057

analogous

#57D2FA #5781FA #7E57FA

triadic

#5781FA #FA5781 #81FA57

tetradic

#5781FA #FA57D2 #FAD057 #57FA7E

square

#5781FA #FA57D2 #FAD057 #57FA7E

split-complementary

#5781FA #FA7E57 #D2FA57

monochromatic

#063AD0 #1C54F8 #5781FA #92AEFC #CEDAFE

Accessibility & contrast

On white

3.54

#5781FA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#5781FA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781FA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781FA	#FFFFFF	#000000	##000000
##5781FA	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F90FE

Deuteranopia (green-blind)

#1281F8

Tritanopia (blue-blind)

#009DB2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5781fa;
/* rgb */ color: rgb(87, 129, 250);
/* oklch */ color: oklch(63.5% 0.186 266.7);

Tailwind

colors: {
  custom: {
    50: '#96a5fd',
    500: '#5781fa',
    950: '#000000',
  },
}

SCSS

$custom: #5781fa;
$custom-light: #96a5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5781fa",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 250
  },
  "hsl": {
    "h": 224.54,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.63516,
    "c": 0.18615,
    "h": 266.7
  },
  "luminance": 0.24629
}

Semantic roles & 50–950 ramp

primary

#5781FA

secondary

#F1E3BC

accent

#AA00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #5781FA

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

Preview Lab → · Contrast checker → · Palette generator →