#4B73D3#4B73D3

#4B73D3 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.5% C 0.154 H 264.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4B73D3
RGB	rgb(75, 115, 211)
HSL	hsl(222, 61%, 56%)
HSV	hsv(222, 64%, 83%)
CMYK	cmyk(64.5%, 45.5%, 0%, 17.3%)
CIE-LAB	lab(50.05, 16.55, -53.73)
CIE-LCH	lch(50.05, 56.22, 287.12°)
OKLab	oklab(57.51% -0.0136 -0.1536)
OKLCH	oklch(57.51% 0.154 264.9)
XYZ	xyz(20.7862, 18.4585, 64.0828)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73D3 #D3AB4B

analogous

#4BB7D3 #4B73D3 #674BD3

triadic

#4B73D3 #D34B73 #73D34B

tetradic

#4B73D3 #D34BB7 #D3AB4B #4BD367

square

#4B73D3 #D34BB7 #D3AB4B #4BD367

split-complementary

#4B73D3 #D3674B #B7D34B

monochromatic

#203D83 #2C54B5 #4B73D3 #7C99DF #ADBFEB

Accessibility & contrast

On white

4.48

#4B73D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4B73D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73D3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73D3	#FFFFFF	#000000	##000000
##4B73D3	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ED7

Deuteranopia (green-blind)

#2C71D1

Tritanopia (blue-blind)

#008999

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b73d3;
/* rgb */ color: rgb(75, 115, 211);
/* oklch */ color: oklch(57.5% 0.154 264.9);

Tailwind

colors: {
  custom: {
    50: '#8a9ae1',
    500: '#4b73d3',
    950: '#000000',
  },
}

SCSS

$custom: #4b73d3;
$custom-light: #8a9ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73d3",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 211
  },
  "hsl": {
    "h": 222.353,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57509,
    "c": 0.15419,
    "h": 264.9
  },
  "luminance": 0.1846
}

Semantic roles & 50–950 ramp

primary

#4B73D3

secondary

#D9C8A1

accent

#B544E4

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4B73D3

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

Preview Lab → · Contrast checker → · Palette generator →