#4F8FEC#4F8FEC

#4F8FEC is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.154 H 257.8°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4F8FEC
RGB	rgb(79, 143, 236)
HSL	hsl(216, 81%, 62%)
HSV	hsv(216, 67%, 93%)
CMYK	cmyk(66.5%, 39.4%, 0%, 7.5%)
CIE-LAB	lab(59.31, 8.81, -52.96)
CIE-LCH	lch(59.31, 53.69, 279.45°)
OKLab	oklab(65.16% -0.0325 -0.1509)
OKLCH	oklch(65.16% 0.154 257.8)
XYZ	xyz(28.1818, 27.3605, 83.1365)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8FEC #ECAC4F

analogous

#4FDEEC #4F8FEC #5E4FEC

triadic

#4F8FEC #EC4F8F #8FEC4F

tetradic

#4F8FEC #EC4FDE #ECAC4F #4FEC5E

square

#4F8FEC #EC4FDE #ECAC4F #4FEC5E

split-complementary

#4F8FEC #EC5E4F #DEEC4F

monochromatic

#1352AE #196CE5 #4F8FEC #86B2F2 #BDD5F8

Accessibility & contrast

On white

3.24

#4F8FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#4F8FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8FEC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8FEC	#FFFFFF	#000000	##000000
##4F8FEC	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597F0

Deuteranopia (green-blind)

#4D88EA

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f8fec;
/* rgb */ color: rgb(79, 143, 236);
/* oklch */ color: oklch(65.2% 0.154 257.8);

Tailwind

colors: {
  custom: {
    50: '#90aff2',
    500: '#4f8fec',
    950: '#000000',
  },
}

SCSS

$custom: #4f8fec;
$custom-light: #90aff2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8fec",
  "rgb": {
    "r": 79,
    "g": 143,
    "b": 236
  },
  "hsl": {
    "h": 215.541,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65159,
    "c": 0.15434,
    "h": 257.8
  },
  "luminance": 0.27363
}

Semantic roles & 50–950 ramp

primary

#4F8FEC

secondary

#E8D1AE

accent

#8609DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8FEC

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

Preview Lab → · Contrast checker → · Palette generator →