#5F8BFB#5F8BFB

#5F8BFB is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.0% C 0.173 H 265.7°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#5F8BFB
RGB	rgb(95, 139, 251)
HSL	hsl(223, 95%, 68%)
HSV	hsv(223, 62%, 98%)
CMYK	cmyk(62.2%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(59.76, 18.93, -60.47)
CIE-LCH	lch(59.76, 63.36, 287.39°)
OKLab	oklab(65.97% -0.0129 -0.1727)
OKLCH	oklch(65.97% 0.173 265.7)
XYZ	xyz(31.3585, 27.8604, 94.9731)
Luminance	0.2786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F8BFB #FBCF5F

analogous

#5FD9FB #5F8BFB #815FFB

triadic

#5F8BFB #FB5F8B #8BFB5F

tetradic

#5F8BFB #FB5FD9 #FBCF5F #5FFB81

square

#5F8BFB #FB5FD9 #FBCF5F #5FFB81

split-complementary

#5F8BFB #FB815F #D9FB5F

monochromatic

#0541DA #2360FA #5F8BFB #9BB6FC #D6E2FE

Accessibility & contrast

On white

3.20

#5F8BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#5F8BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F8BFB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F8BFB	#FFFFFF	#000000	##000000
##5F8BFB	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5598FF

Deuteranopia (green-blind)

#3B89F9

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5f8bfb;
/* rgb */ color: rgb(95, 139, 251);
/* oklch */ color: oklch(66.0% 0.173 265.7);

Tailwind

colors: {
  custom: {
    50: '#9aacfd',
    500: '#5f8bfb',
    950: '#000000',
  },
}

SCSS

$custom: #5f8bfb;
$custom-light: #9aacfd;
$custom-dark: #000000;

JSON

{
  "hex": "#5f8bfb",
  "rgb": {
    "r": 95,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 223.077,
    "s": 95.122,
    "l": 67.843
  },
  "oklch": {
    "l": 0.65971,
    "c": 0.17318,
    "h": 265.7
  },
  "luminance": 0.27863
}

Semantic roles & 50–950 ramp

primary

#5F8BFB

secondary

#F3E5C3

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #5F8BFB

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

Preview Lab → · Contrast checker → · Palette generator →