#5A81EF#5A81EF

#5A81EF is a light, vivid blue. Relative luminance 0.241; OKLCH L 62.9% C 0.171 H 266.8°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#5A81EF
RGB	rgb(90, 129, 239)
HSL	hsl(224, 82%, 65%)
HSV	hsv(224, 62%, 94%)
CMYK	cmyk(62.3%, 46%, 0%, 6.3%)
CIE-LAB	lab(56.19, 20.10, -59.57)
CIE-LCH	lch(56.19, 62.87, 288.64°)
OKLab	oklab(62.95% -0.0095 -0.1703)
OKLCH	oklch(62.95% 0.171 266.8)
XYZ	xyz(27.6414, 24.1037, 84.8404)
Luminance	0.2411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A81EF #EFC85A

analogous

#5ACCEF #5A81EF #7E5AEF

triadic

#5A81EF #EF5A81 #81EF5A

tetradic

#5A81EF #EF5ACC #EFC85A #5AEF7E

square

#5A81EF #EF5ACC #EFC85A #5AEF7E

split-complementary

#5A81EF #EF7E5A #CCEF5A

monochromatic

#123FBC #2256EA #5A81EF #92ACF4 #CAD6FA

Accessibility & contrast

On white

3.61

#5A81EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#5A81EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A81EF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A81EF	#FFFFFF	#000000	##000000
##5A81EF	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8EF3

Deuteranopia (green-blind)

#3080ED

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5a81ef;
/* rgb */ color: rgb(90, 129, 239);
/* oklch */ color: oklch(62.9% 0.171 266.8);

Tailwind

colors: {
  custom: {
    50: '#96a5f5',
    500: '#5a81ef',
    950: '#000000',
  },
}

SCSS

$custom: #5a81ef;
$custom-light: #96a5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5a81ef",
  "rgb": {
    "r": 90,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 224.295,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.62947,
    "c": 0.17055,
    "h": 266.8
  },
  "luminance": 0.24106
}

Semantic roles & 50–950 ramp

primary

#5A81EF

secondary

#ECDFB9

accent

#A607DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5A81EF

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

Preview Lab → · Contrast checker → · Palette generator →