#4E73CF#4E73CF

#4E73CF is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.4% C 0.148 H 265.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4E73CF
RGB	rgb(78, 115, 207)
HSL	hsl(223, 57%, 56%)
HSV	hsv(223, 62%, 81%)
CMYK	cmyk(62.3%, 44.4%, 0%, 18.8%)
CIE-LAB	lab(49.96, 15.70, -51.59)
CIE-LCH	lch(49.96, 53.92, 286.93°)
OKLab	oklab(57.4% -0.0115 -0.1472)
OKLCH	oklch(57.4% 0.148 265.5)
XYZ	xyz(20.5312, 18.3843, 61.4859)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73CF #CFAA4E

analogous

#4EB3CF #4E73CF #694ECF

triadic

#4E73CF #CF4E73 #73CF4E

tetradic

#4E73CF #CF4EB3 #CFAA4E #4ECF69

square

#4E73CF #CF4EB3 #CFAA4E #4ECF69

split-complementary

#4E73CF #CF694E #B3CF4E

monochromatic

#233D80 #3055B0 #4E73CF #7E99DC #AEBFE9

Accessibility & contrast

On white

4.49

#4E73CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4E73CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73CF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73CF	#FFFFFF	#000000	##000000
##4E73CF	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD2

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4e73cf;
/* rgb */ color: rgb(78, 115, 207);
/* oklch */ color: oklch(57.4% 0.148 265.5);

Tailwind

colors: {
  custom: {
    50: '#8b9ade',
    500: '#4e73cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e73cf;
$custom-light: #8b9ade;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73cf",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 207
  },
  "hsl": {
    "h": 222.791,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57404,
    "c": 0.14769,
    "h": 265.5
  },
  "luminance": 0.18386
}

Semantic roles & 50–950 ramp

primary

#4E73CF

secondary

#D7C8A2

accent

#B547E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E73CF

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

Preview Lab → · Contrast checker → · Palette generator →