#4A73CB#4A73CB

#4A73CB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.144 H 263.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4A73CB
RGB	rgb(74, 115, 203)
HSL	hsl(221, 55%, 54%)
HSV	hsv(221, 64%, 80%)
CMYK	cmyk(63.5%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.53, 13.60, -50.00)
CIE-LCH	lch(49.53, 51.82, 285.21°)
OKLab	oklab(56.95% -0.0158 -0.1427)
OKLCH	oklch(56.95% 0.144 263.7)
XYZ	xyz(19.7305, 18.0273, 58.9282)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A73CB #CBA24A

analogous

#4AB4CB #4A73CB #624ACB

triadic

#4A73CB #CB4A73 #73CB4A

tetradic

#4A73CB #CB4AB4 #CBA24A #4ACB62

square

#4A73CB #CB4AB4 #CBA24A #4ACB62

split-complementary

#4A73CB #CB624A #B4CB4A

monochromatic

#233E78 #3056A8 #4A73CB #7A98D9 #A9BDE6

Accessibility & contrast

On white

4.56

#4A73CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4A73CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A73CB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A73CB	#FFFFFF	#000000	##000000
##4A73CB	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4a73cb;
/* rgb */ color: rgb(74, 115, 203);
/* oklch */ color: oklch(56.9% 0.144 263.7);

Tailwind

colors: {
  custom: {
    50: '#899adb',
    500: '#4a73cb',
    950: '#000000',
  },
}

SCSS

$custom: #4a73cb;
$custom-light: #899adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4a73cb",
  "rgb": {
    "r": 74,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 220.93,
    "s": 55.365,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56945,
    "c": 0.14354,
    "h": 263.7
  },
  "luminance": 0.18029
}

Semantic roles & 50–950 ramp

primary

#4A73CB

secondary

#D4C29D

accent

#AF49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4A73CB

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

Preview Lab → · Contrast checker → · Palette generator →