#5F81FD#5F81FD

#5F81FD is a light, vivid blue. Relative luminance 0.252; OKLCH L 64.1% C 0.188 H 269.0°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#5F81FD
RGB	rgb(95, 129, 253)
HSL	hsl(227, 98%, 68%)
HSV	hsv(227, 62%, 99%)
CMYK	cmyk(62.5%, 49%, 0%, 0.8%)
CIE-LAB	lab(57.29, 25.63, -65.53)
CIE-LCH	lch(57.29, 70.37, 291.36°)
OKLab	oklab(64.13% -0.0031 -0.1877)
OKLCH	oklch(64.13% 0.188 269)
XYZ	xyz(30.2932, 25.2226, 96.1815)
Luminance	0.2522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F81FD #FDDB5F

analogous

#5FD0FD #5F81FD #8C5FFD

triadic

#5F81FD #FD5F81 #81FD5F

tetradic

#5F81FD #FD5FD0 #FDDB5F #5FFD8C

square

#5F81FD #FD5FD0 #FDDB5F #5FFD8C

split-complementary

#5F81FD #FD8C5F #D0FD5F

monochromatic

#0332DF #2351FC #5F81FD #9BB1FE #D8E0FF

Accessibility & contrast

On white

3.47

#5F81FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#5F81FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F81FD

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F81FD	#FFFFFF	#000000	##000000
##5F81FD	1.00	3.47	6.04	6.04
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D91FF

Deuteranopia (green-blind)

#1483FA

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5f81fd;
/* rgb */ color: rgb(95, 129, 253);
/* oklch */ color: oklch(64.1% 0.188 269.0);

Tailwind

colors: {
  custom: {
    50: '#9aa5ff',
    500: '#5f81fd',
    950: '#000000',
  },
}

SCSS

$custom: #5f81fd;
$custom-light: #9aa5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5f81fd",
  "rgb": {
    "r": 95,
    "g": 129,
    "b": 253
  },
  "hsl": {
    "h": 227.089,
    "s": 97.531,
    "l": 68.235
  },
  "oklch": {
    "l": 0.64125,
    "c": 0.18776,
    "h": 269
  },
  "luminance": 0.25225
}

Semantic roles & 50–950 ramp

primary

#5F81FD

secondary

#F4EAC4

accent

#B400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #5F81FD

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

Preview Lab → · Contrast checker → · Palette generator →