#4F50CB#4F50CB

#4F50CB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.186 H 277.0°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4F50CB
RGB	rgb(79, 80, 203)
HSL	hsl(240, 54%, 55%)
HSV	hsv(240, 61%, 80%)
CMYK	cmyk(61.1%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(40.75, 36.37, -64.15)
CIE-LCH	lch(40.75, 73.74, 299.55°)
OKLab	oklab(50.4% 0.0228 -0.1845)
OKLCH	oklch(50.4% 0.186 277)
XYZ	xyz(16.8691, 11.7101, 57.8597)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F50CB #CBCA4F

analogous

#4F8ECB #4F50CB #8C4FCB

triadic

#4F50CB #CB4F50 #50CB4F

tetradic

#4F50CB #CB4F8E #CBCA4F #4FCB8C

square

#4F50CB #CB4F8E #CBCA4F #4FCB8C

split-complementary

#4F50CB #CB8C4F #8ECB4F

monochromatic

#24257B #3233AA #4F50CB #7E7FD9 #ADAEE7

Accessibility & contrast

On white

6.28

#4F50CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4F50CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F50CB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F50CB	#FFFFFF	#000000	##FFFFFF
##4F50CB	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005BC9

Tritanopia (blue-blind)

#006E86

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4f50cb;
/* rgb */ color: rgb(79, 80, 203);
/* oklch */ color: oklch(50.4% 0.186 277.0);

Tailwind

colors: {
  custom: {
    50: '#8d81dc',
    500: '#4f50cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f50cb;
$custom-light: #8d81dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f50cb",
  "rgb": {
    "r": 79,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 239.516,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50401,
    "c": 0.18595,
    "h": 277
  },
  "luminance": 0.11711
}

Semantic roles & 50–950 ramp

primary

#4F50CB

secondary

#D5D4A1

accent

#DD4ADE

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4F50CB

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

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