#4F5FCF#4F5FCF

#4F5FCF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.172 H 273.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4F5FCF
RGB	rgb(79, 95, 207)
HSL	hsl(233, 57%, 56%)
HSV	hsv(233, 62%, 81%)
CMYK	cmyk(61.8%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(44.73, 28.39, -59.99)
CIE-LCH	lch(44.73, 66.37, 295.32°)
OKLab	oklab(53.45% 0.0091 -0.1722)
OKLCH	oklch(53.45% 0.172 273)
XYZ	xyz(18.5754, 14.3501, 60.8104)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5FCF #CFBF4F

analogous

#4F9FCF #4F5FCF #7F4FCF

triadic

#4F5FCF #CF4F5F #5FCF4F

tetradic

#4F5FCF #CF4F9F #CFBF4F #4FCF7F

square

#4F5FCF #CF4F9F #CFBF4F #4FCF7F

split-complementary

#4F5FCF #CF7F4F #9FCF4F

monochromatic

#232F81 #3040B1 #4F5FCF #7F8BDC #AFB6E9

Accessibility & contrast

On white

5.43

#4F5FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#4F5FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5FCF

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5FCF	#FFFFFF	#000000	##FFFFFF
##4F5FCF	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E70D3

Deuteranopia (green-blind)

#0064CD

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4f5fcf;
/* rgb */ color: rgb(79, 95, 207);
/* oklch */ color: oklch(53.5% 0.172 273.0);

Tailwind

colors: {
  custom: {
    50: '#8d8cde',
    500: '#4f5fcf',
    950: '#000000',
  },
}

SCSS

$custom: #4f5fcf;
$custom-light: #8d8cde;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5fcf",
  "rgb": {
    "r": 79,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 232.5,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.53451,
    "c": 0.17243,
    "h": 273
  },
  "luminance": 0.14352
}

Semantic roles & 50–950 ramp

primary

#4F5FCF

secondary

#D7D1A2

accent

#CD47E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F5FCF

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

Preview Lab → · Contrast checker → · Palette generator →