#4B8EFC#4B8EFC

#4B8EFC is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.178 H 259.8°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B8EFC
RGB	rgb(75, 142, 252)
HSL	hsl(217, 97%, 64%)
HSV	hsv(217, 70%, 99%)
CMYK	cmyk(70.2%, 43.7%, 0%, 1.2%)
CIE-LAB	lab(59.77, 14.37, -61.06)
CIE-LCH	lch(59.77, 62.72, 283.24°)
OKLab	oklab(65.76% -0.0314 -0.1747)
OKLCH	oklch(65.76% 0.178 259.8)
XYZ	xyz(30.1390, 27.8669, 95.8671)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8EFC #FCB94B

analogous

#4BE7FC #4B8EFC #614BFC

triadic

#4B8EFC #FC4B8E #8EFC4B

tetradic

#4B8EFC #FC4BE7 #FCB94B #4BFC61

square

#4B8EFC #FC4BE7 #FCB94B #4BFC61

split-complementary

#4B8EFC #FC614B #E7FC4B

monochromatic

#034EC9 #0F68FB #4B8EFC #87B4FD #C3DAFE

Accessibility & contrast

On white

3.19

#4B8EFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#4B8EFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8EFC

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8EFC	#FFFFFF	#000000	##000000
##4B8EFC	1.00	3.19	6.57	6.57
#FFFFFF	3.19	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)

#5799FF

Deuteranopia (green-blind)

#3688FA

Tritanopia (blue-blind)

#00A8B9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4b8efc;
/* rgb */ color: rgb(75, 142, 252);
/* oklch */ color: oklch(65.8% 0.178 259.8);

Tailwind

colors: {
  custom: {
    50: '#91aefe',
    500: '#4b8efc',
    950: '#000000',
  },
}

SCSS

$custom: #4b8efc;
$custom-light: #91aefe;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8efc",
  "rgb": {
    "r": 75,
    "g": 142,
    "b": 252
  },
  "hsl": {
    "h": 217.288,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65762,
    "c": 0.17752,
    "h": 259.8
  },
  "luminance": 0.2787
}

Semantic roles & 50–950 ramp

primary

#4B8EFC

secondary

#F0D9B3

accent

#8F00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4B8EFC

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

Preview Lab → · Contrast checker → · Palette generator →