#4E51DA#4E51DA

#4E51DA is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.7% C 0.204 H 275.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4E51DA
RGB	rgb(78, 81, 218)
HSL	hsl(239, 65%, 58%)
HSV	hsv(239, 64%, 85%)
CMYK	cmyk(64.2%, 62.8%, 0%, 14.5%)
CIE-LAB	lab(42.10, 40.56, -70.58)
CIE-LCH	lch(42.10, 81.40, 299.88°)
OKLab	oklab(51.74% 0.02 -0.2034)
OKLCH	oklch(51.74% 0.204 275.6)
XYZ	xyz(18.7351, 12.5649, 67.7540)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51DA #DAD74E

analogous

#4E97DA #4E51DA #914EDA

triadic

#4E51DA #DA4E51 #51DA4E

tetradic

#4E51DA #DA4E97 #DAD74E #4EDA91

square

#4E51DA #DA4E97 #DAD74E #4EDA91

split-complementary

#4E51DA #DA914E #97DA4E

monochromatic

#1E2090 #292CC2 #4E51DA #8183E5 #B3B5EF

Accessibility & contrast

On white

5.98

#4E51DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4E51DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51DA

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51DA	#FFFFFF	#000000	##FFFFFF
##4E51DA	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADE

Deuteranopia (green-blind)

#005DD7

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4e51da;
/* rgb */ color: rgb(78, 81, 218);
/* oklch */ color: oklch(51.7% 0.204 275.6);

Tailwind

colors: {
  custom: {
    50: '#8f82e6',
    500: '#4e51da',
    950: '#000000',
  },
}

SCSS

$custom: #4e51da;
$custom-light: #8f82e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51da",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 218
  },
  "hsl": {
    "h": 238.714,
    "s": 65.421,
    "l": 58.039
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.20442,
    "h": 275.6
  },
  "luminance": 0.12567
}

Semantic roles & 50–950 ramp

primary

#4E51DA

secondary

#DEDDA6

accent

#E53FE8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4E51DA

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

Preview Lab → · Contrast checker → · Palette generator →