#4E73BA#4E73BA

#4E73BA is a mid, moderate blue. Relative luminance 0.174; OKLCH L 56.1% C 0.118 H 262.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4E73BA
RGB	rgb(78, 115, 186)
HSL	hsl(219, 44%, 52%)
HSV	hsv(219, 58%, 73%)
CMYK	cmyk(58.1%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(48.79, 8.56, -41.40)
CIE-LCH	lch(48.79, 42.28, 281.69°)
OKLab	oklab(56.12% -0.0157 -0.1174)
OKLCH	oklch(56.12% 0.118 262.4)
XYZ	xyz(18.1325, 17.4248, 48.8526)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73BA #BA954E

analogous

#4EA9BA #4E73BA #5F4EBA

triadic

#4E73BA #BA4E73 #73BA4E

tetradic

#4E73BA #BA4EA9 #BA954E #4EBA5F

square

#4E73BA #BA4EA9 #BA954E #4EBA5F

split-complementary

#4E73BA #BA5F4E #A9BA4E

monochromatic

#283D66 #395792 #4E73BA #7A96CB #A6B9DC

Accessibility & contrast

On white

4.68

#4E73BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4E73BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73BA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73BA	#FFFFFF	#000000	##FFFFFF
##4E73BA	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BD

Deuteranopia (green-blind)

#476FB8

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4e73ba;
/* rgb */ color: rgb(78, 115, 186);
/* oklch */ color: oklch(56.1% 0.118 262.4);

Tailwind

colors: {
  custom: {
    50: '#889acf',
    500: '#4e73ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e73ba;
$custom-light: #889acf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73ba",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 219.444,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56124,
    "c": 0.11843,
    "h": 262.4
  },
  "luminance": 0.17426
}

Semantic roles & 50–950 ramp

primary

#4E73BA

secondary

#CAB99A

accent

#A854D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E73BA

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

Preview Lab → · Contrast checker → · Palette generator →