#4E51D3#4E51D3

#4E51D3 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.2% C 0.195 H 276.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4E51D3
RGB	rgb(78, 81, 211)
HSL	hsl(239, 60%, 57%)
HSV	hsv(239, 63%, 83%)
CMYK	cmyk(63%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(41.54, 38.24, -67.47)
CIE-LCH	lch(41.54, 77.56, 299.54°)
OKLab	oklab(51.16% 0.0204 -0.1943)
OKLCH	oklch(51.16% 0.195 276)
XYZ	xyz(17.8383, 12.2062, 63.0314)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51D3 #D3D04E

analogous

#4E93D3 #4E51D3 #8E4ED3

triadic

#4E51D3 #D34E51 #51D34E

tetradic

#4E51D3 #D34E93 #D3D04E #4ED38E

square

#4E51D3 #D34E93 #D3D04E #4ED38E

split-complementary

#4E51D3 #D38E4E #93D34E

monochromatic

#212385 #2D30B6 #4E51D3 #7F81DF #B0B1EB

Accessibility & contrast

On white

6.10

#4E51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4E51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51D3

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51D3	#FFFFFF	#000000	##FFFFFF
##4E51D3	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#005CD0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e51d3;
/* rgb */ color: rgb(78, 81, 211);
/* oklch */ color: oklch(51.2% 0.195 276.0);

Tailwind

colors: {
  custom: {
    50: '#8e82e1',
    500: '#4e51d3',
    950: '#000000',
  },
}

SCSS

$custom: #4e51d3;
$custom-light: #8e82e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51d3",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 238.647,
    "s": 60.181,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5116,
    "c": 0.19541,
    "h": 276
  },
  "luminance": 0.12208
}

Semantic roles & 50–950 ramp

primary

#4E51D3

secondary

#DAD8A3

accent

#E044E3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #4E51D3

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

Preview Lab → · Contrast checker → · Palette generator →