#4B8CFC#4B8CFC

#4B8CFC is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.3% C 0.180 H 260.5°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#4B8CFC
RGB	rgb(75, 140, 252)
HSL	hsl(218, 97%, 64%)
HSV	hsv(218, 70%, 99%)
CMYK	cmyk(70.2%, 44.4%, 0%, 1.2%)
CIE-LAB	lab(59.23, 15.57, -61.92)
CIE-LCH	lch(59.23, 63.85, 284.12°)
OKLab	oklab(65.35% -0.0297 -0.1773)
OKLCH	oklch(65.35% 0.18 260.5)
XYZ	xyz(29.8441, 27.2771, 95.7688)
Luminance	0.2728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8CFC #FCBB4B

analogous

#4BE5FC #4B8CFC #634BFC

triadic

#4B8CFC #FC4B8C #8CFC4B

tetradic

#4B8CFC #FC4BE5 #FCBB4B #4BFC63

square

#4B8CFC #FC4BE5 #FCBB4B #4BFC63

split-complementary

#4B8CFC #FC634B #E5FC4B

monochromatic

#034CC9 #0F66FB #4B8CFC #87B2FD #C3D9FE

Accessibility & contrast

On white

3.25

#4B8CFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#4B8CFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8CFC

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8CFC	#FFFFFF	#000000	##000000
##4B8CFC	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5397FF

Deuteranopia (green-blind)

#3087FA

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4b8cfc;
/* rgb */ color: rgb(75, 140, 252);
/* oklch */ color: oklch(65.3% 0.180 260.5);

Tailwind

colors: {
  custom: {
    50: '#91adfe',
    500: '#4b8cfc',
    950: '#000000',
  },
}

SCSS

$custom: #4b8cfc;
$custom-light: #91adfe;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8cfc",
  "rgb": {
    "r": 75,
    "g": 140,
    "b": 252
  },
  "hsl": {
    "h": 217.966,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65346,
    "c": 0.17975,
    "h": 260.5
  },
  "luminance": 0.2728
}

Semantic roles & 50–950 ramp

primary

#4B8CFC

secondary

#F0DAB3

accent

#9100E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4B8CFC

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

Preview Lab → · Contrast checker → · Palette generator →