#5F8FF4#5F8FF4

#5F8FF4 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.159 H 263.5°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#5F8FF4
RGB	rgb(95, 143, 244)
HSL	hsl(221, 87%, 66%)
HSV	hsv(221, 61%, 96%)
CMYK	cmyk(61.1%, 41.4%, 0%, 4.3%)
CIE-LAB	lab(60.43, 14.22, -55.54)
CIE-LCH	lch(60.43, 57.34, 284.36°)
OKLab	oklab(66.36% -0.018 -0.1582)
OKLCH	oklch(66.36% 0.159 263.5)
XYZ	xyz(30.8652, 28.6067, 89.4655)
Luminance	0.2861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F8FF4 #F4C45F

analogous

#5FDAF4 #5F8FF4 #7A5FF4

triadic

#5F8FF4 #F45F8F #8FF45F

tetradic

#5F8FF4 #F45FDA #F4C45F #5FF47A

square

#5F8FF4 #F45FDA #F4C45F #5FF47A

split-complementary

#5F8FF4 #F47A5F #DAF45F

monochromatic

#0E4BCB #2667F0 #5F8FF4 #98B7F8 #D2DFFC

Accessibility & contrast

On white

3.12

#5F8FF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#5F8FF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F8FF4

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F8FF4	#FFFFFF	#000000	##000000
##5F8FF4	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6299F8

Deuteranopia (green-blind)

#4C8BF2

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5f8ff4;
/* rgb */ color: rgb(95, 143, 244);
/* oklch */ color: oklch(66.4% 0.159 263.5);

Tailwind

colors: {
  custom: {
    50: '#98aff8',
    500: '#5f8ff4',
    950: '#000000',
  },
}

SCSS

$custom: #5f8ff4;
$custom-light: #98aff8;
$custom-dark: #000000;

JSON

{
  "hex": "#5f8ff4",
  "rgb": {
    "r": 95,
    "g": 143,
    "b": 244
  },
  "hsl": {
    "h": 220.671,
    "s": 87.135,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66361,
    "c": 0.15921,
    "h": 263.5
  },
  "luminance": 0.28609
}

Semantic roles & 50–950 ramp

primary

#5F8FF4

secondary

#F0E0BF

accent

#9B02E4

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5F8FF4

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

Preview Lab → · Contrast checker → · Palette generator →