#4F8CEB#4F8CEB

#4F8CEB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.156 H 259.0°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4F8CEB
RGB	rgb(79, 140, 235)
HSL	hsl(217, 80%, 62%)
HSV	hsv(217, 66%, 92%)
CMYK	cmyk(66.4%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(58.43, 10.26, -53.81)
CIE-LCH	lch(58.43, 54.77, 280.80°)
OKLab	oklab(64.46% -0.0299 -0.1534)
OKLCH	oklch(64.46% 0.156 259)
XYZ	xyz(27.5926, 26.4138, 82.2254)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8CEB #EBAE4F

analogous

#4FDAEB #4F8CEB #604FEB

triadic

#4F8CEB #EB4F8C #8CEB4F

tetradic

#4F8CEB #EB4FDA #EBAE4F #4FEB60

square

#4F8CEB #EB4FDA #EBAE4F #4FEB60

split-complementary

#4F8CEB #EB604F #DAEB4F

monochromatic

#144FAC #1A68E3 #4F8CEB #86B0F1 #BDD4F7

Accessibility & contrast

On white

3.34

#4F8CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4F8CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8CEB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8CEB	#FFFFFF	#000000	##000000
##4F8CEB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6094EF

Deuteranopia (green-blind)

#4886E9

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4f8ceb;
/* rgb */ color: rgb(79, 140, 235);
/* oklch */ color: oklch(64.5% 0.156 259.0);

Tailwind

colors: {
  custom: {
    50: '#90adf2',
    500: '#4f8ceb',
    950: '#000000',
  },
}

SCSS

$custom: #4f8ceb;
$custom-light: #90adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8ceb",
  "rgb": {
    "r": 79,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 216.538,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6446,
    "c": 0.15628,
    "h": 259
  },
  "luminance": 0.26417
}

Semantic roles & 50–950 ramp

primary

#4F8CEB

secondary

#E8D1AE

accent

#8A0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8CEB

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

Preview Lab → · Contrast checker → · Palette generator →