#4B73CA#4B73CA

#4B73CA is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.142 H 263.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B73CA
RGB	rgb(75, 115, 202)
HSL	hsl(221, 55%, 54%)
HSV	hsv(221, 63%, 79%)
CMYK	cmyk(62.9%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(49.52, 13.43, -49.45)
CIE-LCH	lch(49.52, 51.24, 285.20°)
OKLab	oklab(56.93% -0.0151 -0.141)
OKLCH	oklch(56.93% 0.142 263.9)
XYZ	xyz(19.6893, 18.0198, 58.3062)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73CA #CAA24B

analogous

#4BB3CA #4B73CA #634BCA

triadic

#4B73CA #CA4B73 #73CA4B

tetradic

#4B73CA #CA4BB3 #CAA24B #4BCA63

square

#4B73CA #CA4BB3 #CAA24B #4BCA63

split-complementary

#4B73CA #CA634B #B3CA4B

monochromatic

#233E77 #3156A7 #4B73CA #7A98D8 #AABDE6

Accessibility & contrast

On white

4.56

#4B73CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4B73CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73CA

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73CA	#FFFFFF	#000000	##000000
##4B73CA	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7CCD

Deuteranopia (green-blind)

#3770C8

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b73ca;
/* rgb */ color: rgb(75, 115, 202);
/* oklch */ color: oklch(56.9% 0.142 263.9);

Tailwind

colors: {
  custom: {
    50: '#899ada',
    500: '#4b73ca',
    950: '#000000',
  },
}

SCSS

$custom: #4b73ca;
$custom-light: #899ada;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73ca",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 221.102,
    "s": 54.506,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56933,
    "c": 0.14181,
    "h": 263.9
  },
  "luminance": 0.18022
}

Semantic roles & 50–950 ramp

primary

#4B73CA

secondary

#D3C29D

accent

#AF4ADE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B73CA

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

Preview Lab → · Contrast checker → · Palette generator →