#4F50E0#4F50E0

#4F50E0 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.213 H 275.8°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4F50E0
RGB	rgb(79, 80, 224)
HSL	hsl(240, 70%, 59%)
HSV	hsv(240, 65%, 88%)
CMYK	cmyk(64.7%, 64.3%, 0%, 12.2%)
CIE-LAB	lab(42.43, 43.26, -73.46)
CIE-LCH	lch(42.43, 85.25, 300.50°)
OKLab	oklab(52.15% 0.0215 -0.2119)
OKLCH	oklch(52.15% 0.213 275.8)
XYZ	xyz(19.5432, 12.7797, 71.9434)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F50E0 #E0DF4F

analogous

#4F99E0 #4F50E0 #974FE0

triadic

#4F50E0 #E04F50 #50E04F

tetradic

#4F50E0 #E04F99 #E0DF4F #4FE097

square

#4F50E0 #E04F99 #E0DF4F #4FE097

split-complementary

#4F50E0 #E0974F #99E04F

monochromatic

#1B1C9A #2425CE #4F50E0 #8384E9 #B7B7F2

Accessibility & contrast

On white

5.91

#4F50E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4F50E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F50E0

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F50E0	#FFFFFF	#000000	##FFFFFF
##4F50E0	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE5

Deuteranopia (green-blind)

#005EDD

Tritanopia (blue-blind)

#007591

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f50e0;
/* rgb */ color: rgb(79, 80, 224);
/* oklch */ color: oklch(52.2% 0.213 275.8);

Tailwind

colors: {
  custom: {
    50: '#9181eb',
    500: '#4f50e0',
    950: '#000000',
  },
}

SCSS

$custom: #4f50e0;
$custom-light: #9181eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f50e0",
  "rgb": {
    "r": 79,
    "g": 80,
    "b": 224
  },
  "hsl": {
    "h": 239.586,
    "s": 70.048,
    "l": 59.412
  },
  "oklch": {
    "l": 0.52152,
    "c": 0.21296,
    "h": 275.8
  },
  "luminance": 0.12781
}

Semantic roles & 50–950 ramp

primary

#4F50E0

secondary

#E2E1A9

accent

#EC3BED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4F50E0

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

Preview Lab → · Contrast checker → · Palette generator →