#4B73BF#4B73BF

#4B73BF is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.127 H 262.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B73BF
RGB	rgb(75, 115, 191)
HSL	hsl(219, 48%, 52%)
HSV	hsv(219, 61%, 75%)
CMYK	cmyk(60.7%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(48.91, 9.65, -44.11)
CIE-LCH	lch(48.91, 45.16, 282.34°)
OKLab	oklab(56.26% -0.0173 -0.1254)
OKLCH	oklch(56.26% 0.127 262.1)
XYZ	xyz(18.4331, 17.5173, 51.6899)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73BF #BF974B

analogous

#4BADBF #4B73BF #5D4BBF

triadic

#4B73BF #BF4B73 #73BF4B

tetradic

#4B73BF #BF4BAD #BF974B #4BBF5D

square

#4B73BF #BF4BAD #BF974B #4BBF5D

split-complementary

#4B73BF #BF5D4B #ADBF4B

monochromatic

#263D6A #365797 #4B73BF #7896CF #A5B9DF

Accessibility & contrast

On white

4.66

#4B73BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4B73BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B73BF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73BF	#FFFFFF	#000000	##FFFFFF
##4B73BF	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC2

Deuteranopia (green-blind)

#426FBD

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b73bf;
/* rgb */ color: rgb(75, 115, 191);
/* oklch */ color: oklch(56.3% 0.127 262.1);

Tailwind

colors: {
  custom: {
    50: '#879ad3',
    500: '#4b73bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b73bf;
$custom-light: #879ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73bf",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 219.31,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56259,
    "c": 0.12655,
    "h": 262.1
  },
  "luminance": 0.17519
}

Semantic roles & 50–950 ramp

primary

#4B73BF

secondary

#CCBB9A

accent

#A951D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4B73BF

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

Preview Lab → · Contrast checker → · Palette generator →