#4A73CC#4A73CC

#4A73CC is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.145 H 263.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4A73CC
RGB	rgb(74, 115, 204)
HSL	hsl(221, 56%, 55%)
HSV	hsv(221, 64%, 80%)
CMYK	cmyk(63.7%, 43.6%, 0%, 20%)
CIE-LAB	lab(49.59, 13.95, -50.48)
CIE-LCH	lch(49.59, 52.37, 285.44°)
OKLab	oklab(57.01% -0.0156 -0.1441)
OKLCH	oklch(57.01% 0.145 263.8)
XYZ	xyz(19.8501, 18.0751, 59.5578)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A73CC #CCA34A

analogous

#4AB4CC #4A73CC #624ACC

triadic

#4A73CC #CC4A73 #73CC4A

tetradic

#4A73CC #CC4AB4 #CCA34A #4ACC62

square

#4A73CC #CC4AB4 #CCA34A #4ACC62

split-complementary

#4A73CC #CC624A #B4CC4A

monochromatic

#223E79 #3056A9 #4A73CC #7A98D9 #A9BDE7

Accessibility & contrast

On white

4.55

#4A73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4A73CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A73CC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A73CC	#FFFFFF	#000000	##000000
##4A73CC	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCF

Deuteranopia (green-blind)

#3570CA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4a73cc;
/* rgb */ color: rgb(74, 115, 204);
/* oklch */ color: oklch(57.0% 0.145 263.8);

Tailwind

colors: {
  custom: {
    50: '#899adc',
    500: '#4a73cc',
    950: '#000000',
  },
}

SCSS

$custom: #4a73cc;
$custom-light: #899adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4a73cc",
  "rgb": {
    "r": 74,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 221.077,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57009,
    "c": 0.14492,
    "h": 263.8
  },
  "luminance": 0.18077
}

Semantic roles & 50–950 ramp

primary

#4A73CC

secondary

#D4C39D

accent

#B048DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4A73CC

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

Preview Lab → · Contrast checker → · Palette generator →