#4E51DF#4E51DF

#4E51DF is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.211 H 275.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4E51DF
RGB	rgb(78, 81, 223)
HSL	hsl(239, 69%, 59%)
HSV	hsv(239, 65%, 87%)
CMYK	cmyk(65%, 63.7%, 0%, 12.5%)
CIE-LAB	lab(42.51, 42.20, -72.76)
CIE-LCH	lch(42.51, 84.12, 300.11°)
OKLab	oklab(52.17% 0.0197 -0.2099)
OKLCH	oklch(52.17% 0.211 275.4)
XYZ	xyz(19.3992, 12.8306, 71.2520)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51DF #DFDC4E

analogous

#4E9ADF #4E51DF #944EDF

triadic

#4E51DF #DF4E51 #51DF4E

tetradic

#4E51DF #DF4E9A #DFDC4E #4EDF94

square

#4E51DF #DF4E9A #DFDC4E #4EDF94

split-complementary

#4E51DF #DF944E #9ADF4E

monochromatic

#1B1E97 #2528CB #4E51DF #8284E8 #B6B7F2

Accessibility & contrast

On white

5.89

#4E51DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4E51DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51DF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51DF	#FFFFFF	#000000	##FFFFFF
##4E51DF	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE4

Deuteranopia (green-blind)

#005EDC

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4e51df;
/* rgb */ color: rgb(78, 81, 223);
/* oklch */ color: oklch(52.2% 0.211 275.4);

Tailwind

colors: {
  custom: {
    50: '#9082ea',
    500: '#4e51df',
    950: '#000000',
  },
}

SCSS

$custom: #4e51df;
$custom-light: #9082ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51df",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 223
  },
  "hsl": {
    "h": 238.759,
    "s": 69.378,
    "l": 59.02
  },
  "oklch": {
    "l": 0.52166,
    "c": 0.21078,
    "h": 275.4
  },
  "luminance": 0.12832
}

Semantic roles & 50–950 ramp

primary

#4E51DF

secondary

#E1E0A8

accent

#E93CEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4E51DF

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

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