#4E51D4#4E51D4

#4E51D4 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.2% C 0.197 H 275.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E51D4
RGB	rgb(78, 81, 212)
HSL	hsl(239, 61%, 57%)
HSV	hsv(239, 63%, 83%)
CMYK	cmyk(63.2%, 61.8%, 0%, 16.9%)
CIE-LAB	lab(41.62, 38.57, -67.92)
CIE-LCH	lch(41.62, 78.11, 299.59°)
OKLab	oklab(51.24% 0.0204 -0.1956)
OKLCH	oklch(51.24% 0.197 275.9)
XYZ	xyz(17.9641, 12.2565, 63.6937)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51D4 #D4D14E

analogous

#4E94D4 #4E51D4 #8E4ED4

triadic

#4E51D4 #D44E51 #51D44E

tetradic

#4E51D4 #D44E94 #D4D14E #4ED48E

square

#4E51D4 #D44E94 #D4D14E #4ED48E

split-complementary

#4E51D4 #D48E4E #94D44E

monochromatic

#212387 #2D30B8 #4E51D4 #7F81E0 #B0B2EC

Accessibility & contrast

On white

6.08

#4E51D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4E51D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51D4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51D4	#FFFFFF	#000000	##FFFFFF
##4E51D4	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D8

Deuteranopia (green-blind)

#005CD1

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e51d4;
/* rgb */ color: rgb(78, 81, 212);
/* oklch */ color: oklch(51.2% 0.197 275.9);

Tailwind

colors: {
  custom: {
    50: '#8e82e2',
    500: '#4e51d4',
    950: '#000000',
  },
}

SCSS

$custom: #4e51d4;
$custom-light: #8e82e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51d4",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 212
  },
  "hsl": {
    "h": 238.657,
    "s": 60.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51242,
    "c": 0.19671,
    "h": 275.9
  },
  "luminance": 0.12258
}

Semantic roles & 50–950 ramp

primary

#4E51D4

secondary

#DAD9A4

accent

#E044E4

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A15

muted

#7E7C84

Preview Lab

Preview with #4E51D4

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

Preview Lab → · Contrast checker → · Palette generator →