#4F51EB#4F51EB

#4F51EB is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.3% C 0.226 H 275.0°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F51EB
RGB	rgb(79, 81, 235)
HSL	hsl(239, 80%, 62%)
HSV	hsv(239, 66%, 92%)
CMYK	cmyk(66.4%, 65.5%, 0%, 7.8%)
CIE-LAB	lab(43.57, 46.25, -77.82)
CIE-LCH	lch(43.57, 90.53, 300.72°)
OKLab	oklab(53.26% 0.0198 -0.2247)
OKLCH	oklch(53.26% 0.226 275)
XYZ	xyz(21.1573, 13.5434, 80.0803)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F51EB #EBE94F

analogous

#4F9FEB #4F51EB #9B4FEB

triadic

#4F51EB #EB4F51 #51EB4F

tetradic

#4F51EB #EB4F9F #EBE94F #4FEB9B

square

#4F51EB #EB4F9F #EBE94F #4FEB9B

split-complementary

#4F51EB #EB9B4F #9FEB4F

monochromatic

#1416AC #1A1CE3 #4F51EB #8687F1 #BDBEF7

Accessibility & contrast

On white

5.66

#4F51EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#4F51EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F51EB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F51EB	#FFFFFF	#000000	##FFFFFF
##4F51EB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EF0

Deuteranopia (green-blind)

#0060E8

Tritanopia (blue-blind)

#007A97

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4f51eb;
/* rgb */ color: rgb(79, 81, 235);
/* oklch */ color: oklch(53.3% 0.226 275.0);

Tailwind

colors: {
  custom: {
    50: '#9382f3',
    500: '#4f51eb',
    950: '#000000',
  },
}

SCSS

$custom: #4f51eb;
$custom-light: #9382f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f51eb",
  "rgb": {
    "r": 79,
    "g": 81,
    "b": 235
  },
  "hsl": {
    "h": 239.231,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.53265,
    "c": 0.22553,
    "h": 275
  },
  "luminance": 0.13545
}

Semantic roles & 50–950 ramp

primary

#4F51EB

secondary

#E8E7AE

accent

#D90ADC

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0F0A17

muted

#7E7C85

Preview Lab

Preview with #4F51EB

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

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