#4F51E8#4F51E8

#4F51E8 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.0% C 0.222 H 275.2°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4F51E8
RGB	rgb(79, 81, 232)
HSL	hsl(239, 77%, 61%)
HSV	hsv(239, 66%, 91%)
CMYK	cmyk(65.9%, 65.1%, 0%, 9%)
CIE-LAB	lab(43.32, 45.28, -76.54)
CIE-LCH	lch(43.32, 88.93, 300.61°)
OKLab	oklab(53% 0.0201 -0.2209)
OKLCH	oklch(53% 0.222 275.2)
XYZ	xyz(20.7276, 13.3715, 77.8169)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F51E8 #E8E64F

analogous

#4F9DE8 #4F51E8 #994FE8

triadic

#4F51E8 #E84F51 #51E84F

tetradic

#4F51E8 #E84F9D #E8E64F #4FE899

square

#4F51E8 #E84F9D #E8E64F #4FE899

split-complementary

#4F51E8 #E8994F #9DE84F

monochromatic

#1618A7 #1D1FDD #4F51E8 #8587EF #BBBCF6

Accessibility & contrast

On white

5.71

#4F51E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4F51E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F51E8

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F51E8	#FFFFFF	#000000	##FFFFFF
##4F51E8	1.00	5.71	3.67	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DED

Deuteranopia (green-blind)

#005FE5

Tritanopia (blue-blind)

#007995

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f51e8;
/* rgb */ color: rgb(79, 81, 232);
/* oklch */ color: oklch(53.0% 0.222 275.2);

Tailwind

colors: {
  custom: {
    50: '#9282f0',
    500: '#4f51e8',
    950: '#000000',
  },
}

SCSS

$custom: #4f51e8;
$custom-light: #9282f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f51e8",
  "rgb": {
    "r": 79,
    "g": 81,
    "b": 232
  },
  "hsl": {
    "h": 239.216,
    "s": 76.884,
    "l": 60.98
  },
  "oklch": {
    "l": 0.53004,
    "c": 0.22182,
    "h": 275.2
  },
  "luminance": 0.13373
}

Semantic roles & 50–950 ramp

primary

#4F51E8

secondary

#E6E5AD

accent

#D60CD9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4F51E8

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

Preview Lab → · Contrast checker → · Palette generator →