#4E51D2#4E51D2

#4E51D2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.1% C 0.194 H 276.1°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4E51D2
RGB	rgb(78, 81, 210)
HSL	hsl(239, 59%, 56%)
HSV	hsv(239, 63%, 82%)
CMYK	cmyk(62.9%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(41.46, 37.91, -67.03)
CIE-LCH	lch(41.46, 77.01, 299.49°)
OKLab	oklab(51.08% 0.0205 -0.193)
OKLCH	oklch(51.08% 0.194 276.1)
XYZ	xyz(17.7134, 12.1563, 62.3732)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51D2 #D2CF4E

analogous

#4E93D2 #4E51D2 #8D4ED2

triadic

#4E51D2 #D24E51 #51D24E

tetradic

#4E51D2 #D24E93 #D2CF4E #4ED28D

square

#4E51D2 #D24E93 #D2CF4E #4ED28D

split-complementary

#4E51D2 #D28D4E #93D24E

monochromatic

#222484 #2E31B5 #4E51D2 #7F81DE #B0B1EB

Accessibility & contrast

On white

6.12

#4E51D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4E51D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51D2

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51D2	#FFFFFF	#000000	##FFFFFF
##4E51D2	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D6

Deuteranopia (green-blind)

#005CCF

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e51d2;
/* rgb */ color: rgb(78, 81, 210);
/* oklch */ color: oklch(51.1% 0.194 276.1);

Tailwind

colors: {
  custom: {
    50: '#8d82e1',
    500: '#4e51d2',
    950: '#000000',
  },
}

SCSS

$custom: #4e51d2;
$custom-light: #8d82e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51d2",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 238.636,
    "s": 59.459,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51077,
    "c": 0.19411,
    "h": 276.1
  },
  "luminance": 0.12158
}

Semantic roles & 50–950 ramp

primary

#4E51D2

secondary

#D9D8A3

accent

#DF45E3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51D2

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

Preview Lab → · Contrast checker → · Palette generator →