#4E73CB#4E73CB

#4E73CB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.142 H 265.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4E73CB
RGB	rgb(78, 115, 203)
HSL	hsl(222, 55%, 55%)
HSV	hsv(222, 62%, 80%)
CMYK	cmyk(61.6%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.73, 14.33, -49.68)
CIE-LCH	lch(49.73, 51.70, 286.09°)
OKLab	oklab(57.15% -0.0122 -0.1416)
OKLCH	oklch(57.15% 0.142 265.1)
XYZ	xyz(20.0484, 18.1912, 58.9431)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73CB #CBA64E

analogous

#4EB1CB #4E73CB #674ECB

triadic

#4E73CB #CB4E73 #73CB4E

tetradic

#4E73CB #CB4EB1 #CBA64E #4ECB67

square

#4E73CB #CB4EB1 #CBA64E #4ECB67

split-complementary

#4E73CB #CB674E #B1CB4E

monochromatic

#243E7B #3255AA #4E73CB #7D98D9 #ADBEE7

Accessibility & contrast

On white

4.53

#4E73CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4E73CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73CB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73CB	#FFFFFF	#000000	##000000
##4E73CB	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7CCE

Deuteranopia (green-blind)

#3871C9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e73cb;
/* rgb */ color: rgb(78, 115, 203);
/* oklch */ color: oklch(57.2% 0.142 265.1);

Tailwind

colors: {
  custom: {
    50: '#8a9adb',
    500: '#4e73cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e73cb;
$custom-light: #8a9adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73cb",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 222.24,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57151,
    "c": 0.14216,
    "h": 265.1
  },
  "luminance": 0.18193
}

Semantic roles & 50–950 ramp

primary

#4E73CB

secondary

#D5C5A0

accent

#B24ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E73CB

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

Preview Lab → · Contrast checker → · Palette generator →