#4B83EF#4B83EF

#4B83EF is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.6% C 0.173 H 262.0°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4B83EF
RGB	rgb(75, 131, 239)
HSL	hsl(220, 84%, 62%)
HSV	hsv(220, 69%, 94%)
CMYK	cmyk(68.6%, 45.2%, 0%, 6.3%)
CIE-LAB	lab(56.05, 16.48, -59.84)
CIE-LCH	lch(56.05, 62.07, 285.40°)
OKLab	oklab(62.65% -0.024 -0.1713)
OKLCH	oklch(62.65% 0.173 262)
XYZ	xyz(26.5924, 23.9577, 84.8675)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B83EF #EFB74B

analogous

#4BD5EF #4B83EF #654BEF

triadic

#4B83EF #EF4B83 #83EF4B

tetradic

#4B83EF #EF4BD5 #EFB74B #4BEF65

square

#4B83EF #EF4BD5 #EFB74B #4BEF65

split-complementary

#4B83EF #EF654B #D5EF4B

monochromatic

#1046B0 #155DE8 #4B83EF #83AAF4 #BBD0F9

Accessibility & contrast

On white

3.63

#4B83EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#4B83EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B83EF

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B83EF	#FFFFFF	#000000	##000000
##4B83EF	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8EF3

Deuteranopia (green-blind)

#2B7FED

Tritanopia (blue-blind)

#009CAD

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4b83ef;
/* rgb */ color: rgb(75, 131, 239);
/* oklch */ color: oklch(62.6% 0.173 262.0);

Tailwind

colors: {
  custom: {
    50: '#8fa6f5',
    500: '#4b83ef',
    950: '#000000',
  },
}

SCSS

$custom: #4b83ef;
$custom-light: #8fa6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b83ef",
  "rgb": {
    "r": 75,
    "g": 131,
    "b": 239
  },
  "hsl": {
    "h": 219.512,
    "s": 83.673,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6265,
    "c": 0.17299,
    "h": 262
  },
  "luminance": 0.2396
}

Semantic roles & 50–950 ramp

primary

#4B83EF

secondary

#E9D5AC

accent

#9505E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4B83EF

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

Preview Lab → · Contrast checker → · Palette generator →