#4F4FB9#4F4FB9

#4F4FB9 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.163 H 278.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F4FB9
RGB	rgb(79, 79, 185)
HSL	hsl(240, 43%, 52%)
HSV	hsv(240, 57%, 73%)
CMYK	cmyk(57.3%, 57.3%, 0%, 27.5%)
CIE-LAB	lab(39.17, 31.05, -56.24)
CIE-LCH	lch(39.17, 64.24, 298.91°)
OKLab	oklab(48.81% 0.0241 -0.1613)
OKLCH	oklch(48.81% 0.163 278.5)
XYZ	xyz(14.7746, 10.7560, 47.1871)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F4FB9 #B9B94F

analogous

#4F84B9 #4F4FB9 #844FB9

triadic

#4F4FB9 #B94F4F #4FB94F

tetradic

#4F4FB9 #B94F84 #B9B94F #4FB984

square

#4F4FB9 #B94F84 #B9B94F #4FB984

split-complementary

#4F4FB9 #B9844F #84B94F

monochromatic

#282865 #3A3A91 #4F4FB9 #7B7BCA #A7A7DC

Accessibility & contrast

On white

6.66

#4F4FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4F4FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F4FB9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F4FB9	#FFFFFF	#000000	##FFFFFF
##4F4FB9	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#11687C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f4fb9;
/* rgb */ color: rgb(79, 79, 185);
/* oklch */ color: oklch(48.8% 0.163 278.5);

Tailwind

colors: {
  custom: {
    50: '#8a80cf',
    500: '#4f4fb9',
    950: '#000000',
  },
}

SCSS

$custom: #4f4fb9;
$custom-light: #8a80cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f4fb9",
  "rgb": {
    "r": 79,
    "g": 79,
    "b": 185
  },
  "hsl": {
    "h": 240,
    "s": 43.089,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48807,
    "c": 0.16308,
    "h": 278.5
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#4F4FB9

secondary

#C9C99B

accent

#D355D3

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0D0A14

muted

#7D7C82

Preview Lab

Preview with #4F4FB9

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

Preview Lab → · Contrast checker → · Palette generator →