#4F50BF#4F50BF

#4F50BF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.5% C 0.170 H 277.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4F50BF
RGB	rgb(79, 80, 191)
HSL	hsl(239, 47%, 53%)
HSV	hsv(239, 59%, 75%)
CMYK	cmyk(58.6%, 58.1%, 0%, 25.1%)
CIE-LAB	lab(39.85, 32.41, -58.64)
CIE-LCH	lch(39.85, 67.00, 298.93°)
OKLab	oklab(49.45% 0.0231 -0.1684)
OKLCH	oklch(49.45% 0.17 277.8)
XYZ	xyz(15.4941, 11.1601, 50.6177)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F50BF #BFBE4F

analogous

#4F88BF #4F50BF #864FBF

triadic

#4F50BF #BF4F50 #50BF4F

tetradic

#4F50BF #BF4F88 #BFBE4F #4FBF86

square

#4F50BF #BF4F88 #BFBE4F #4FBF86

split-complementary

#4F50BF #BF864F #88BF4F

monochromatic

#27286C #383999 #4F50BF #7C7DCF #A9A9E0

Accessibility & contrast

On white

6.50

#4F50BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4F50BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F50BF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F50BF	#FFFFFF	#000000	##FFFFFF
##4F50BF	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0059BD

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4f50bf;
/* rgb */ color: rgb(79, 80, 191);
/* oklch */ color: oklch(49.5% 0.170 277.8);

Tailwind

colors: {
  custom: {
    50: '#8b81d3',
    500: '#4f50bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f50bf;
$custom-light: #8b81d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f50bf",
  "rgb": {
    "r": 79,
    "g": 80,
    "b": 191
  },
  "hsl": {
    "h": 239.464,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49451,
    "c": 0.16993,
    "h": 277.8
  },
  "luminance": 0.11161
}

Semantic roles & 50–950 ramp

primary

#4F50BF

secondary

#CDCD9D

accent

#D551D6

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #4F50BF

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

Preview Lab → · Contrast checker → · Palette generator →