#4E73BD#4E73BD

#4E73BD is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.3% C 0.123 H 263.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4E73BD
RGB	rgb(78, 115, 189)
HSL	hsl(220, 46%, 52%)
HSV	hsv(220, 59%, 74%)
CMYK	cmyk(58.7%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(48.95, 9.57, -42.88)
CIE-LCH	lch(48.95, 43.94, 282.58°)
OKLab	oklab(56.3% -0.015 -0.1217)
OKLCH	oklch(56.3% 0.123 263)
XYZ	xyz(18.4548, 17.5538, 50.5499)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73BD #BD984E

analogous

#4EABBD #4E73BD #614EBD

triadic

#4E73BD #BD4E73 #73BD4E

tetradic

#4E73BD #BD4EAB #BD984E #4EBD61

square

#4E73BD #BD4EAB #BD984E #4EBD61

split-complementary

#4E73BD #BD614E #ABBD4E

monochromatic

#273D69 #385796 #4E73BD #7B96CE #A7BADE

Accessibility & contrast

On white

4.66

#4E73BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4E73BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73BD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73BD	#FFFFFF	#000000	##FFFFFF
##4E73BD	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#4570BB

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4e73bd;
/* rgb */ color: rgb(78, 115, 189);
/* oklch */ color: oklch(56.3% 0.123 263.0);

Tailwind

colors: {
  custom: {
    50: '#889ad1',
    500: '#4e73bd',
    950: '#000000',
  },
}

SCSS

$custom: #4e73bd;
$custom-light: #889ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73bd",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 220,
    "s": 45.679,
    "l": 52.353
  },
  "oklch": {
    "l": 0.563,
    "c": 0.12262,
    "h": 263
  },
  "luminance": 0.17555
}

Semantic roles & 50–950 ramp

primary

#4E73BD

secondary

#CCBB9B

accent

#AA52D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E73BD

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

Preview Lab → · Contrast checker → · Palette generator →