#5781E9#5781E9

#5781E9 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.4% C 0.163 H 265.4°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#5781E9
RGB	rgb(87, 129, 233)
HSL	hsl(223, 77%, 63%)
HSV	hsv(223, 63%, 91%)
CMYK	cmyk(62.7%, 44.6%, 0%, 8.6%)
CIE-LAB	lab(55.69, 17.55, -57.04)
CIE-LCH	lch(55.69, 59.68, 287.11°)
OKLab	oklab(62.41% -0.0131 -0.1629)
OKLCH	oklch(62.41% 0.163 265.4)
XYZ	xyz(26.4836, 23.6076, 80.2360)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781E9 #E9BF57

analogous

#57CAE9 #5781E9 #7657E9

triadic

#5781E9 #E95781 #81E957

tetradic

#5781E9 #E957CA #E9BF57 #57E976

square

#5781E9 #E957CA #E9BF57 #57E976

split-complementary

#5781E9 #E97657 #CAE957

monochromatic

#1743AF #2158E2 #5781E9 #8DAAF0 #C3D2F7

Accessibility & contrast

On white

3.67

#5781E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#5781E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781E9

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781E9	#FFFFFF	#000000	##000000
##5781E9	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8DED

Deuteranopia (green-blind)

#377FE7

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5781e9;
/* rgb */ color: rgb(87, 129, 233);
/* oklch */ color: oklch(62.4% 0.163 265.4);

Tailwind

colors: {
  custom: {
    50: '#93a5f0',
    500: '#5781e9',
    950: '#000000',
  },
}

SCSS

$custom: #5781e9;
$custom-light: #93a5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5781e9",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 233
  },
  "hsl": {
    "h": 222.74,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.62412,
    "c": 0.16343,
    "h": 265.4
  },
  "luminance": 0.2361
}

Semantic roles & 50–950 ramp

primary

#5781E9

secondary

#E8D9B3

accent

#9E0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5781E9

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

Preview Lab → · Contrast checker → · Palette generator →