#4E73AF#4E73AF

#4E73AF is a mid, moderate blue. Relative luminance 0.170; OKLCH L 55.5% C 0.103 H 259.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E73AF
RGB	rgb(78, 115, 175)
HSL	hsl(217, 38%, 50%)
HSV	hsv(217, 55%, 69%)
CMYK	cmyk(55.4%, 34.3%, 0%, 31.4%)
CIE-LAB	lab(48.23, 4.91, -35.92)
CIE-LCH	lch(48.23, 36.25, 277.78°)
OKLab	oklab(55.5% -0.0184 -0.1014)
OKLCH	oklch(55.5% 0.103 259.7)
XYZ	xyz(17.0078, 16.9750, 42.9294)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73AF #AF8A4E

analogous

#4EA4AF #4E73AF #594EAF

triadic

#4E73AF #AF4E73 #73AF4E

tetradic

#4E73AF #AF4EA4 #AF8A4E #4EAF59

square

#4E73AF #AF4EA4 #AF8A4E #4EAF59

split-complementary

#4E73AF #AF594E #A4AF4E

monochromatic

#283B5A #3B5785 #4E73AF #7894C3 #A2B6D6

Accessibility & contrast

On white

4.78

#4E73AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4E73AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73AF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73AF	#FFFFFF	#000000	##FFFFFF
##4E73AF	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B77B2

Deuteranopia (green-blind)

#4F6EAE

Tritanopia (blue-blind)

#128089

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e73af;
/* rgb */ color: rgb(78, 115, 175);
/* oklch */ color: oklch(55.5% 0.103 259.7);

Tailwind

colors: {
  custom: {
    50: '#869bc7',
    500: '#4e73af',
    950: '#000000',
  },
}

SCSS

$custom: #4e73af;
$custom-light: #869bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73af",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 175
  },
  "hsl": {
    "h": 217.113,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55503,
    "c": 0.10303,
    "h": 259.7
  },
  "luminance": 0.16976
}

Semantic roles & 50–950 ramp

primary

#4E73AF

secondary

#C3B296

accent

#A25ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E73AF

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

Preview Lab → · Contrast checker → · Palette generator →