#5C81EF#5C81EF

#5C81EF is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.1% C 0.170 H 267.4°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5C81EF
RGB	rgb(92, 129, 239)
HSL	hsl(225, 82%, 65%)
HSV	hsv(225, 62%, 94%)
CMYK	cmyk(61.5%, 46%, 0%, 6.3%)
CIE-LAB	lab(56.29, 20.45, -59.40)
CIE-LCH	lch(56.29, 62.82, 288.99°)
OKLab	oklab(63.05% -0.0077 -0.1698)
OKLCH	oklch(63.05% 0.17 267.4)
XYZ	xyz(27.8386, 24.2054, 84.8497)
Luminance	0.2421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C81EF #EFCA5C

analogous

#5CCBEF #5C81EF #815CEF

triadic

#5C81EF #EF5C81 #81EF5C

tetradic

#5C81EF #EF5CCB #EFCA5C #5CEF81

square

#5C81EF #EF5CCB #EFCA5C #5CEF81

split-complementary

#5C81EF #EF815C #CBEF5C

monochromatic

#133EBE #2456EA #5C81EF #94ACF4 #CBD7FA

Accessibility & contrast

On white

3.59

#5C81EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#5C81EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5C81EF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C81EF	#FFFFFF	#000000	##000000
##5C81EF	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8EF3

Deuteranopia (green-blind)

#3281ED

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5c81ef;
/* rgb */ color: rgb(92, 129, 239);
/* oklch */ color: oklch(63.1% 0.170 267.4);

Tailwind

colors: {
  custom: {
    50: '#97a5f5',
    500: '#5c81ef',
    950: '#000000',
  },
}

SCSS

$custom: #5c81ef;
$custom-light: #97a5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5c81ef",
  "rgb": {
    "r": 92,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 224.898,
    "s": 82.123,
    "l": 64.902
  },
  "oklch": {
    "l": 0.63051,
    "c": 0.16992,
    "h": 267.4
  },
  "luminance": 0.24208
}

Semantic roles & 50–950 ramp

primary

#5C81EF

secondary

#ECE0BA

accent

#A807DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5C81EF

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

Preview Lab → · Contrast checker → · Palette generator →