#4F51E6#4F51E6

#4F51E6 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.8% C 0.219 H 275.3°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4F51E6
RGB	rgb(79, 81, 230)
HSL	hsl(239, 75%, 61%)
HSV	hsv(239, 66%, 90%)
CMYK	cmyk(65.7%, 64.8%, 0%, 9.8%)
CIE-LAB	lab(43.15, 44.63, -75.68)
CIE-LCH	lch(43.15, 87.86, 300.53°)
OKLab	oklab(52.83% 0.0203 -0.2184)
OKLCH	oklch(52.83% 0.219 275.3)
XYZ	xyz(20.4451, 13.2585, 76.3293)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F51E6 #E6E44F

analogous

#4F9DE6 #4F51E6 #984FE6

triadic

#4F51E6 #E64F51 #51E64F

tetradic

#4F51E6 #E64F9D #E6E44F #4FE698

square

#4F51E6 #E64F9D #E6E44F #4FE698

split-complementary

#4F51E6 #E6984F #9DE64F

monochromatic

#1719A3 #1F21D9 #4F51E6 #8586EE #BABBF5

Accessibility & contrast

On white

5.75

#4F51E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4F51E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F51E6

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F51E6	#FFFFFF	#000000	##FFFFFF
##4F51E6	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEB

Deuteranopia (green-blind)

#005FE3

Tritanopia (blue-blind)

#007894

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f51e6;
/* rgb */ color: rgb(79, 81, 230);
/* oklch */ color: oklch(52.8% 0.219 275.3);

Tailwind

colors: {
  custom: {
    50: '#9282ef',
    500: '#4f51e6',
    950: '#000000',
  },
}

SCSS

$custom: #4f51e6;
$custom-light: #9282ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f51e6",
  "rgb": {
    "r": 79,
    "g": 81,
    "b": 230
  },
  "hsl": {
    "h": 239.205,
    "s": 75.124,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5283,
    "c": 0.21934,
    "h": 275.3
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#4F51E6

secondary

#E5E4AC

accent

#D50ED7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4F51E6

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

Preview Lab → · Contrast checker → · Palette generator →