#4A73BB#4A73BB

#4A73BB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.121 H 260.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4A73BB
RGB	rgb(74, 115, 187)
HSL	hsl(218, 45%, 51%)
HSV	hsv(218, 60%, 73%)
CMYK	cmyk(60.4%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.64, 8.09, -42.23)
CIE-LCH	lch(48.64, 43.00, 280.85°)
OKLab	oklab(55.97% -0.0191 -0.1199)
OKLCH	oklch(55.97% 0.121 260.9)
XYZ	xyz(17.9213, 17.3036, 49.3996)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A73BB #BB924A

analogous

#4AABBB #4A73BB #594ABB

triadic

#4A73BB #BB4A73 #73BB4A

tetradic

#4A73BB #BB4AAB #BB924A #4ABB59

square

#4A73BB #BB4AAB #BB924A #4ABB59

split-complementary

#4A73BB #BB594A #ABBB4A

monochromatic

#263D65 #375791 #4A73BB #7695CC #A3B8DC

Accessibility & contrast

On white

4.71

#4A73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4A73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A73BB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A73BB	#FFFFFF	#000000	##FFFFFF
##4A73BB	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4a73bb;
/* rgb */ color: rgb(74, 115, 187);
/* oklch */ color: oklch(56.0% 0.121 260.9);

Tailwind

colors: {
  custom: {
    50: '#869ad0',
    500: '#4a73bb',
    950: '#000000',
  },
}

SCSS

$custom: #4a73bb;
$custom-light: #869ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a73bb",
  "rgb": {
    "r": 74,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 218.23,
    "s": 45.382,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.12138,
    "h": 260.9
  },
  "luminance": 0.17305
}

Semantic roles & 50–950 ramp

primary

#4A73BB

secondary

#C9B797

accent

#A653D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4A73BB

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

Preview Lab → · Contrast checker → · Palette generator →