#4F49BB#4F49BB

#4F49BB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.9% C 0.174 H 279.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4F49BB
RGB	rgb(79, 73, 187)
HSL	hsl(243, 46%, 51%)
HSV	hsv(243, 61%, 73%)
CMYK	cmyk(57.8%, 61%, 0%, 26.7%)
CIE-LAB	lab(37.87, 35.43, -59.52)
CIE-LCH	lch(37.87, 69.26, 300.76°)
OKLab	oklab(47.9% 0.03 -0.171)
OKLCH	oklch(47.9% 0.174 279.9)
XYZ	xyz(14.5738, 10.0142, 48.1690)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.19

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F49BB #B5BB49

analogous

#497CBB #4F49BB #8849BB

triadic

#4F49BB #BB4F49 #49BB4F

tetradic

#4F49BB #BB497C #B5BB49 #49BB88

square

#4F49BB #BB497C #B5BB49 #49BB88

split-complementary

#4F49BB #BB8849 #7CBB49

monochromatic

#292564 #3B3691 #4F49BB #7A76CC #A5A2DC

Accessibility & contrast

On white

6.99

#4F49BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#4F49BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F49BB

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F49BB	#FFFFFF	#000000	##FFFFFF
##4F49BB	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#0E657B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f49bb;
/* rgb */ color: rgb(79, 73, 187);
/* oklch */ color: oklch(47.9% 0.174 279.9);

Tailwind

colors: {
  custom: {
    50: '#8b7cd0',
    500: '#4f49bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f49bb;
$custom-light: #8b7cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f49bb",
  "rgb": {
    "r": 79,
    "g": 73,
    "b": 187
  },
  "hsl": {
    "h": 243.158,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47895,
    "c": 0.17359,
    "h": 279.9
  },
  "luminance": 0.10015
}

Semantic roles & 50–950 ramp

primary

#4F49BB

secondary

#C6C997

accent

#D553CE

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F49BB

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

Preview Lab → · Contrast checker → · Palette generator →