#4B73CD#4B73CD

#4B73CD is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.146 H 264.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B73CD
RGB	rgb(75, 115, 205)
HSL	hsl(222, 57%, 55%)
HSV	hsv(222, 63%, 80%)
CMYK	cmyk(63.4%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(49.69, 14.47, -50.88)
CIE-LCH	lch(49.69, 52.90, 285.88°)
OKLab	oklab(57.12% -0.0146 -0.1452)
OKLCH	oklch(57.12% 0.146 264.3)
XYZ	xyz(20.0480, 18.1633, 60.1951)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73CD #CDA54B

analogous

#4BB4CD #4B73CD #644BCD

triadic

#4B73CD #CD4B73 #73CD4B

tetradic

#4B73CD #CD4BB4 #CDA54B #4BCD64

square

#4B73CD #CD4BB4 #CDA54B #4BCD64

split-complementary

#4B73CD #CD644B #B4CD4B

monochromatic

#223E7B #3056AB #4B73CD #7B98DA #ABBEE8

Accessibility & contrast

On white

4.53

#4B73CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4B73CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73CD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73CD	#FFFFFF	#000000	##000000
##4B73CD	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497DD0

Deuteranopia (green-blind)

#3471CB

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b73cd;
/* rgb */ color: rgb(75, 115, 205);
/* oklch */ color: oklch(57.1% 0.146 264.3);

Tailwind

colors: {
  custom: {
    50: '#899add',
    500: '#4b73cd',
    950: '#000000',
  },
}

SCSS

$custom: #4b73cd;
$custom-light: #899add;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73cd",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 221.538,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57122,
    "c": 0.14595,
    "h": 264.3
  },
  "luminance": 0.18165
}

Semantic roles & 50–950 ramp

primary

#4B73CD

secondary

#D5C49F

accent

#B148E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4B73CD

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

Preview Lab → · Contrast checker → · Palette generator →