#4E73B1#4E73B1

#4E73B1 is a mid, moderate blue. Relative luminance 0.171; OKLCH L 55.6% C 0.106 H 260.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4E73B1
RGB	rgb(78, 115, 177)
HSL	hsl(218, 39%, 50%)
HSV	hsv(218, 56%, 69%)
CMYK	cmyk(55.9%, 35%, 0%, 30.6%)
CIE-LAB	lab(48.33, 5.57, -36.92)
CIE-LCH	lch(48.33, 37.34, 278.58°)
OKLab	oklab(55.61% -0.0179 -0.1043)
OKLCH	oklch(55.61% 0.106 260.3)
XYZ	xyz(17.2057, 17.0541, 43.9715)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73B1 #B18C4E

analogous

#4EA5B1 #4E73B1 #5A4EB1

triadic

#4E73B1 #B14E73 #73B14E

tetradic

#4E73B1 #B14EA5 #B18C4E #4EB15A

square

#4E73B1 #B14EA5 #B18C4E #4EB15A

split-complementary

#4E73B1 #B15A4E #A5B14E

monochromatic

#293C5C #3B5787 #4E73B1 #7895C4 #A3B6D6

Accessibility & contrast

On white

4.76

#4E73B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4E73B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73B1

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73B1	#FFFFFF	#000000	##FFFFFF
##4E73B1	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B4

Deuteranopia (green-blind)

#4E6FB0

Tritanopia (blue-blind)

#0D818A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e73b1;
/* rgb */ color: rgb(78, 115, 177);
/* oklch */ color: oklch(55.6% 0.106 260.3);

Tailwind

colors: {
  custom: {
    50: '#879bc8',
    500: '#4e73b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e73b1;
$custom-light: #879bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73b1",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 177
  },
  "hsl": {
    "h": 217.576,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.55614,
    "c": 0.10583,
    "h": 260.3
  },
  "luminance": 0.17055
}

Semantic roles & 50–950 ramp

primary

#4E73B1

secondary

#C4B397

accent

#A359CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E73B1

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

Preview Lab → · Contrast checker → · Palette generator →