#4E50B7#4E50B7

#4E50B7 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.159 H 277.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4E50B7
RGB	rgb(78, 80, 183)
HSL	hsl(239, 42%, 51%)
HSV	hsv(239, 57%, 72%)
CMYK	cmyk(57.4%, 56.3%, 0%, 28.2%)
CIE-LAB	lab(39.20, 29.58, -55.01)
CIE-LCH	lch(39.20, 62.46, 298.26°)
OKLab	oklab(48.77% 0.0218 -0.1577)
OKLCH	oklch(48.77% 0.159 277.9)
XYZ	xyz(14.5551, 10.7749, 46.1033)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E50B7 #B7B54E

analogous

#4E84B7 #4E50B7 #804EB7

triadic

#4E50B7 #B74E50 #50B74E

tetradic

#4E50B7 #B74E84 #B7B54E #4EB780

square

#4E50B7 #B74E84 #B7B54E #4EB780

split-complementary

#4E50B7 #B7804E #84B74E

monochromatic

#282963 #3A3B8E #4E50B7 #7A7BC9 #A5A6DA

Accessibility & contrast

On white

6.66

#4E50B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4E50B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E50B7

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E50B7	#FFFFFF	#000000	##FFFFFF
##4E50B7	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BB

Deuteranopia (green-blind)

#0058B5

Tritanopia (blue-blind)

#0F687B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4e50b7;
/* rgb */ color: rgb(78, 80, 183);
/* oklch */ color: oklch(48.8% 0.159 277.9);

Tailwind

colors: {
  custom: {
    50: '#8981cd',
    500: '#4e50b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e50b7;
$custom-light: #8981cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e50b7",
  "rgb": {
    "r": 78,
    "g": 80,
    "b": 183
  },
  "hsl": {
    "h": 238.857,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48767,
    "c": 0.15921,
    "h": 277.9
  },
  "luminance": 0.10776
}

Semantic roles & 50–950 ramp

primary

#4E50B7

secondary

#C8C799

accent

#D056D2

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4E50B7

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

Preview Lab → · Contrast checker → · Palette generator →