#4E51CF#4E51CF

#4E51CF is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.8% C 0.190 H 276.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4E51CF
RGB	rgb(78, 81, 207)
HSL	hsl(239, 57%, 56%)
HSV	hsv(239, 62%, 81%)
CMYK	cmyk(62.3%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(41.23, 36.92, -65.68)
CIE-LCH	lch(41.23, 75.35, 299.34°)
OKLab	oklab(50.83% 0.0206 -0.1891)
OKLCH	oklch(50.83% 0.19 276.2)
XYZ	xyz(17.3431, 12.0082, 60.4233)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51CF #CFCC4E

analogous

#4E91CF #4E51CF #8B4ECF

triadic

#4E51CF #CF4E51 #51CF4E

tetradic

#4E51CF #CF4E91 #CFCC4E #4ECF8B

square

#4E51CF #CF4E91 #CFCC4E #4ECF8B

split-complementary

#4E51CF #CF8B4E #91CF4E

monochromatic

#232580 #3033B0 #4E51CF #7E80DC #AEB0E9

Accessibility & contrast

On white

6.17

#4E51CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4E51CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51CF

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51CF	#FFFFFF	#000000	##FFFFFF
##4E51CF	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#005CCD

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e51cf;
/* rgb */ color: rgb(78, 81, 207);
/* oklch */ color: oklch(50.8% 0.190 276.2);

Tailwind

colors: {
  custom: {
    50: '#8d82df',
    500: '#4e51cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e51cf;
$custom-light: #8d82df;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51cf",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 238.605,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.50832,
    "c": 0.19019,
    "h": 276.2
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary

#4E51CF

secondary

#D7D6A2

accent

#DD47E1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51CF

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

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