#4E73CC#4E73CC

#4E73CC is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.144 H 265.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4E73CC
RGB	rgb(78, 115, 204)
HSL	hsl(222, 55%, 55%)
HSV	hsv(222, 62%, 80%)
CMYK	cmyk(61.8%, 43.6%, 0%, 20%)
CIE-LAB	lab(49.78, 14.67, -50.16)
CIE-LCH	lch(49.78, 52.26, 286.30°)
OKLab	oklab(57.21% -0.012 -0.143)
OKLCH	oklch(57.21% 0.144 265.2)
XYZ	xyz(20.1679, 18.2390, 59.5727)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73CC #CCA74E

analogous

#4EB2CC #4E73CC #684ECC

triadic

#4E73CC #CC4E73 #73CC4E

tetradic

#4E73CC #CC4EB2 #CCA74E #4ECC68

square

#4E73CC #CC4EB2 #CCA74E #4ECC68

split-complementary

#4E73CC #CC684E #B2CC4E

monochromatic

#243E7C #3155AB #4E73CC #7E99DA #ADBEE7

Accessibility & contrast

On white

4.52

#4E73CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4E73CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73CC

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73CC	#FFFFFF	#000000	##000000
##4E73CC	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7DCF

Deuteranopia (green-blind)

#3771CA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e73cc;
/* rgb */ color: rgb(78, 115, 204);
/* oklch */ color: oklch(57.2% 0.144 265.2);

Tailwind

colors: {
  custom: {
    50: '#8b9adc',
    500: '#4e73cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e73cc;
$custom-light: #8b9adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73cc",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 204
  },
  "hsl": {
    "h": 222.381,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57214,
    "c": 0.14354,
    "h": 265.2
  },
  "luminance": 0.18241
}

Semantic roles & 50–950 ramp

primary

#4E73CC

secondary

#D5C6A1

accent

#B349DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E73CC

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

Preview Lab → · Contrast checker → · Palette generator →