#4F50BC#4F50BC

#4F50BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.2% C 0.166 H 278.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4F50BC
RGB	rgb(79, 80, 188)
HSL	hsl(239, 45%, 52%)
HSV	hsv(239, 58%, 74%)
CMYK	cmyk(58%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(39.63, 31.42, -57.24)
CIE-LCH	lch(39.63, 65.30, 298.76°)
OKLab	oklab(49.22% 0.0231 -0.1642)
OKLCH	oklch(49.22% 0.166 278)
XYZ	xyz(15.1673, 11.0294, 48.8968)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F50BC #BCBB4F

analogous

#4F86BC #4F50BC #854FBC

triadic

#4F50BC #BC4F50 #50BC4F

tetradic

#4F50BC #BC4F86 #BCBB4F #4FBC85

square

#4F50BC #BC4F86 #BCBB4F #4FBC85

split-complementary

#4F50BC #BC854F #86BC4F

monochromatic

#282869 #393A95 #4F50BC #7B7CCD #A8A8DE

Accessibility & contrast

On white

6.55

#4F50BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4F50BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F50BC

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F50BC	#FFFFFF	#000000	##FFFFFF
##4F50BC	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#076A7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4f50bc;
/* rgb */ color: rgb(79, 80, 188);
/* oklch */ color: oklch(49.2% 0.166 278.0);

Tailwind

colors: {
  custom: {
    50: '#8a81d1',
    500: '#4f50bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f50bc;
$custom-light: #8a81d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f50bc",
  "rgb": {
    "r": 79,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 239.45,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49219,
    "c": 0.16585,
    "h": 278
  },
  "luminance": 0.1103
}

Semantic roles & 50–950 ramp

primary

#4F50BC

secondary

#CBCB9C

accent

#D353D5

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #4F50BC

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

Preview Lab → · Contrast checker → · Palette generator →