#5A81EB#5A81EB

#5A81EB is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.7% C 0.165 H 266.5°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5A81EB
RGB	rgb(90, 129, 235)
HSL	hsl(224, 78%, 64%)
HSV	hsv(224, 62%, 92%)
CMYK	cmyk(61.7%, 45.1%, 0%, 7.8%)
CIE-LAB	lab(55.96, 18.75, -57.72)
CIE-LCH	lch(55.96, 60.69, 288.00°)
OKLab	oklab(62.69% -0.0101 -0.1648)
OKLCH	oklch(62.69% 0.165 266.5)
XYZ	xyz(27.0570, 23.8700, 81.7627)
Luminance	0.2387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A81EB #EBC45A

analogous

#5AC9EB #5A81EB #7B5AEB

triadic

#5A81EB #EB5A81 #81EB5A

tetradic

#5A81EB #EB5AC9 #EBC45A #5AEB7B

square

#5A81EB #EB5AC9 #EBC45A #5AEB7B

split-complementary

#5A81EB #EB7B5A #C9EB5A

monochromatic

#1641B5 #2357E4 #5A81EB #91ABF2 #C7D4F8

Accessibility & contrast

On white

3.64

#5A81EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#5A81EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A81EB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A81EB	#FFFFFF	#000000	##000000
##5A81EB	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8DEF

Deuteranopia (green-blind)

#3680E9

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5a81eb;
/* rgb */ color: rgb(90, 129, 235);
/* oklch */ color: oklch(62.7% 0.165 266.5);

Tailwind

colors: {
  custom: {
    50: '#95a5f2',
    500: '#5a81eb',
    950: '#000000',
  },
}

SCSS

$custom: #5a81eb;
$custom-light: #95a5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5a81eb",
  "rgb": {
    "r": 90,
    "g": 129,
    "b": 235
  },
  "hsl": {
    "h": 223.862,
    "s": 78.378,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62692,
    "c": 0.16516,
    "h": 266.5
  },
  "luminance": 0.23872
}

Semantic roles & 50–950 ramp

primary

#5A81EB

secondary

#EADCB7

accent

#A30BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5A81EB

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

Preview Lab → · Contrast checker → · Palette generator →