#4B73EC#4B73EC

#4B73EC is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.2% C 0.188 H 266.8°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4B73EC
RGB	rgb(75, 115, 236)
HSL	hsl(225, 81%, 61%)
HSV	hsv(225, 68%, 93%)
CMYK	cmyk(68.2%, 51.3%, 0%, 7.5%)
CIE-LAB	lab(51.62, 25.29, -65.29)
CIE-LCH	lch(51.62, 70.02, 291.17°)
OKLab	oklab(59.21% -0.0105 -0.1876)
OKLCH	oklch(59.21% 0.188 266.8)
XYZ	xyz(24.1675, 19.8110, 81.8909)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73EC #ECC44B

analogous

#4BC4EC #4B73EC #734BEC

triadic

#4B73EC #EC4B73 #73EC4B

tetradic

#4B73EC #EC4BC4 #ECC44B #4BEC73

square

#4B73EC #EC4BC4 #ECC44B #4BEC73

split-complementary

#4B73EC #EC734B #C4EC4B

monochromatic

#1238AB #184AE2 #4B73EC #829EF2 #BAC9F8

Accessibility & contrast

On white

4.23

#4B73EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4B73EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73EC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73EC	#FFFFFF	#000000	##000000
##4B73EC	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2683F0

Deuteranopia (green-blind)

#0074EA

Tritanopia (blue-blind)

#0090A5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b73ec;
/* rgb */ color: rgb(75, 115, 236);
/* oklch */ color: oklch(59.2% 0.188 266.8);

Tailwind

colors: {
  custom: {
    50: '#8f9af3',
    500: '#4b73ec',
    950: '#000000',
  },
}

SCSS

$custom: #4b73ec;
$custom-light: #8f9af3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73ec",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 236
  },
  "hsl": {
    "h": 225.093,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59214,
    "c": 0.18789,
    "h": 266.8
  },
  "luminance": 0.19813
}

Semantic roles & 50–950 ramp

primary

#4B73EC

secondary

#E8D9AB

accent

#A808DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4B73EC

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

Preview Lab → · Contrast checker → · Palette generator →