#5F81FE#5F81FE

#5F81FE is a light, vivid blue. Relative luminance 0.253; OKLCH L 64.2% C 0.189 H 269.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#5F81FE
RGB	rgb(95, 129, 254)
HSL	hsl(227, 99%, 68%)
HSV	hsv(227, 63%, 100%)
CMYK	cmyk(62.6%, 49.2%, 0%, 0.4%)
CIE-LAB	lab(57.35, 25.96, -65.99)
CIE-LCH	lch(57.35, 70.91, 291.47°)
OKLab	oklab(64.19% -0.0031 -0.189)
OKLCH	oklch(64.19% 0.189 269.1)
XYZ	xyz(30.4529, 25.2865, 97.0227)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F81FE #FEDC5F

analogous

#5FD0FE #5F81FE #8C5FFE

triadic

#5F81FE #FE5F81 #81FE5F

tetradic

#5F81FE #FE5FD0 #FEDC5F #5FFE8C

square

#5F81FE #FE5FD0 #FEDC5F #5FFE8C

split-complementary

#5F81FE #FE8C5F #D0FE5F

monochromatic

#0131E1 #2251FE #5F81FE #9CB1FE #D9E1FF

Accessibility & contrast

On white

3.47

#5F81FE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#5F81FE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F81FE

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F81FE	#FFFFFF	#000000	##000000
##5F81FE	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C91FF

Deuteranopia (green-blind)

#1083FB

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5f81fe;
/* rgb */ color: rgb(95, 129, 254);
/* oklch */ color: oklch(64.2% 0.189 269.1);

Tailwind

colors: {
  custom: {
    50: '#9aa5ff',
    500: '#5f81fe',
    950: '#000000',
  },
}

SCSS

$custom: #5f81fe;
$custom-light: #9aa5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5f81fe",
  "rgb": {
    "r": 95,
    "g": 129,
    "b": 254
  },
  "hsl": {
    "h": 227.17,
    "s": 98.758,
    "l": 68.431
  },
  "oklch": {
    "l": 0.64191,
    "c": 0.18907,
    "h": 269.1
  },
  "luminance": 0.25289
}

Semantic roles & 50–950 ramp

primary

#5F81FE

secondary

#F4EAC4

accent

#B400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #5F81FE

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

Preview Lab → · Contrast checker → · Palette generator →