#4F4FBB#4F4FBB

#4F4FBB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.166 H 278.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4F4FBB
RGB	rgb(79, 79, 187)
HSL	hsl(240, 44%, 52%)
HSV	hsv(240, 58%, 73%)
CMYK	cmyk(57.8%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(39.31, 31.71, -57.17)
CIE-LCH	lch(39.31, 65.38, 299.02°)
OKLab	oklab(48.96% 0.0241 -0.164)
OKLCH	oklch(48.96% 0.166 278.4)
XYZ	xyz(14.9872, 10.8410, 48.3068)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F4FBB #BBBB4F

analogous

#4F85BB #4F4FBB #854FBB

triadic

#4F4FBB #BB4F4F #4FBB4F

tetradic

#4F4FBB #BB4F85 #BBBB4F #4FBB85

square

#4F4FBB #BB4F85 #BBBB4F #4FBB85

split-complementary

#4F4FBB #BB854F #85BB4F

monochromatic

#282868 #393994 #4F4FBB #7B7BCC #A7A7DD

Accessibility & contrast

On white

6.63

#4F4FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4F4FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F4FBB

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F4FBB	#FFFFFF	#000000	##FFFFFF
##4F4FBB	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#0B697D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4f4fbb;
/* rgb */ color: rgb(79, 79, 187);
/* oklch */ color: oklch(49.0% 0.166 278.4);

Tailwind

colors: {
  custom: {
    50: '#8a80d0',
    500: '#4f4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #4f4fbb;
$custom-light: #8a80d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f4fbb",
  "rgb": {
    "r": 79,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.4896,
    "c": 0.16581,
    "h": 278.4
  },
  "luminance": 0.10842
}

Semantic roles & 50–950 ramp

primary

#4F4FBB

secondary

#CACA9B

accent

#D454D4

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #4F4FBB

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

Preview Lab → · Contrast checker → · Palette generator →