#4E73A8#4E73A8

#4E73A8 is a mid, moderate blue. Relative luminance 0.167; OKLCH L 55.1% C 0.093 H 257.4°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4E73A8
RGB	rgb(78, 115, 168)
HSL	hsl(215, 37%, 48%)
HSV	hsv(215, 54%, 66%)
CMYK	cmyk(53.6%, 31.5%, 0%, 34.1%)
CIE-LAB	lab(47.89, 2.63, -32.37)
CIE-LCH	lch(47.89, 32.48, 274.64°)
OKLab	oklab(55.13% -0.0204 -0.0911)
OKLCH	oklch(55.13% 0.093 257.4)
XYZ	xyz(16.3381, 16.7071, 39.4020)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73A8 #A8834E

analogous

#4EA0A8 #4E73A8 #564EA8

triadic

#4E73A8 #A84E73 #73A84E

tetradic

#4E73A8 #A84EA0 #A8834E #4EA856

square

#4E73A8 #A84EA0 #A8834E #4EA856

split-complementary

#4E73A8 #A8564E #A0A84E

monochromatic

#273A54 #3B567E #4E73A8 #7593BF #9EB4D2

Accessibility & contrast

On white

4.84

#4E73A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4E73A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73A8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73A8	#FFFFFF	#000000	##FFFFFF
##4E73A8	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E76AA

Deuteranopia (green-blind)

#536EA7

Tritanopia (blue-blind)

#1D7F86

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e73a8;
/* rgb */ color: rgb(78, 115, 168);
/* oklch */ color: oklch(55.1% 0.093 257.4);

Tailwind

colors: {
  custom: {
    50: '#859bc2',
    500: '#4e73a8',
    950: '#000000',
  },
}

SCSS

$custom: #4e73a8;
$custom-light: #859bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73a8",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 168
  },
  "hsl": {
    "h": 215.333,
    "s": 36.585,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55127,
    "c": 0.09331,
    "h": 257.4
  },
  "luminance": 0.16708
}

Semantic roles & 50–950 ramp

primary

#4E73A8

secondary

#BFAD93

accent

#9E5BCD

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4E73A8

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

Preview Lab → · Contrast checker → · Palette generator →