#4E51D1#4E51D1

#4E51D1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 51.0% C 0.193 H 276.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4E51D1
RGB	rgb(78, 81, 209)
HSL	hsl(239, 59%, 56%)
HSV	hsv(239, 63%, 82%)
CMYK	cmyk(62.7%, 61.2%, 0%, 18%)
CIE-LAB	lab(41.38, 37.58, -66.58)
CIE-LCH	lch(41.38, 76.45, 299.44°)
OKLab	oklab(51% 0.0205 -0.1917)
OKLCH	oklch(51% 0.193 276.1)
XYZ	xyz(17.5892, 12.1066, 61.7191)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51D1 #D1CE4E

analogous

#4E93D1 #4E51D1 #8D4ED1

triadic

#4E51D1 #D14E51 #51D14E

tetradic

#4E51D1 #D14E93 #D1CE4E #4ED18D

square

#4E51D1 #D14E93 #D1CE4E #4ED18D

split-complementary

#4E51D1 #D18D4E #93D14E

monochromatic

#222483 #2F32B3 #4E51D1 #7F81DE #AFB1EA

Accessibility & contrast

On white

6.14

#4E51D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4E51D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51D1

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51D1	#FFFFFF	#000000	##FFFFFF
##4E51D1	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D5

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e51d1;
/* rgb */ color: rgb(78, 81, 209);
/* oklch */ color: oklch(51.0% 0.193 276.1);

Tailwind

colors: {
  custom: {
    50: '#8d82e0',
    500: '#4e51d1',
    950: '#000000',
  },
}

SCSS

$custom: #4e51d1;
$custom-light: #8d82e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51d1",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 209
  },
  "hsl": {
    "h": 238.626,
    "s": 58.744,
    "l": 56.275
  },
  "oklch": {
    "l": 0.50995,
    "c": 0.19281,
    "h": 276.1
  },
  "luminance": 0.12108
}

Semantic roles & 50–950 ramp

primary

#4E51D1

secondary

#D8D7A2

accent

#DE46E2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51D1

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

Preview Lab → · Contrast checker → · Palette generator →