#4B8BFC#4B8BFC

#4B8BFC is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.181 H 260.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4B8BFC
RGB	rgb(75, 139, 252)
HSL	hsl(218, 97%, 64%)
HSV	hsv(218, 70%, 99%)
CMYK	cmyk(70.2%, 44.8%, 0%, 1.2%)
CIE-LAB	lab(58.96, 16.18, -62.35)
CIE-LCH	lch(58.96, 64.41, 284.55°)
OKLab	oklab(65.14% -0.0288 -0.1786)
OKLCH	oklch(65.14% 0.181 260.8)
XYZ	xyz(29.6987, 26.9862, 95.7203)
Luminance	0.2699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8BFC #FCBC4B

analogous

#4BE4FC #4B8BFC #644BFC

triadic

#4B8BFC #FC4B8B #8BFC4B

tetradic

#4B8BFC #FC4BE4 #FCBC4B #4BFC64

square

#4B8BFC #FC4BE4 #FCBC4B #4BFC64

split-complementary

#4B8BFC #FC644B #E4FC4B

monochromatic

#034BC9 #0F64FB #4B8BFC #87B2FD #C3D9FE

Accessibility & contrast

On white

3.28

#4B8BFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4B8BFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BFC

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8BFC	#FFFFFF	#000000	##000000
##4B8BFC	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5197FF

Deuteranopia (green-blind)

#2D86FA

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4b8bfc;
/* rgb */ color: rgb(75, 139, 252);
/* oklch */ color: oklch(65.1% 0.181 260.8);

Tailwind

colors: {
  custom: {
    50: '#91acfe',
    500: '#4b8bfc',
    950: '#000000',
  },
}

SCSS

$custom: #4b8bfc;
$custom-light: #91acfe;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8bfc",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 252
  },
  "hsl": {
    "h": 218.305,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6514,
    "c": 0.18088,
    "h": 260.8
  },
  "luminance": 0.26989
}

Semantic roles & 50–950 ramp

primary

#4B8BFC

secondary

#F0DAB3

accent

#9300E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4B8BFC

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

Preview Lab → · Contrast checker → · Palette generator →