#4F40BC#4F40BC

#4F40BC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.5% C 0.186 H 281.8°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4F40BC
RGB	rgb(79, 64, 188)
HSL	hsl(247, 49%, 49%)
HSV	hsv(247, 66%, 74%)
CMYK	cmyk(58%, 66%, 0%, 26.3%)
CIE-LAB	lab(35.91, 41.16, -63.30)
CIE-LCH	lch(35.91, 75.51, 303.03°)
OKLab	oklab(46.49% 0.0382 -0.1821)
OKLCH	oklch(46.49% 0.186 281.8)
XYZ	xyz(14.1321, 8.9590, 48.5518)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F40BC #ADBC40

analogous

#406FBC #4F40BC #8D40BC

triadic

#4F40BC #BC4F40 #40BC4F

tetradic

#4F40BC #BC406F #ADBC40 #40BC8D

square

#4F40BC #BC406F #ADBC40 #40BC8D

split-complementary

#4F40BC #BC8D40 #6FBC40

monochromatic

#292161 #3C308E #4F40BC #786CCD #A29ADD

Accessibility & contrast

On white

7.52

#4F40BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4F40BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40BC

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40BC	#FFFFFF	#000000	##FFFFFF
##4F40BC	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#0E6078

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4f40bc;
/* rgb */ color: rgb(79, 64, 188);
/* oklch */ color: oklch(46.5% 0.186 281.8);

Tailwind

colors: {
  custom: {
    50: '#8b76d1',
    500: '#4f40bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f40bc;
$custom-light: #8b76d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40bc",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 247.258,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46488,
    "c": 0.18609,
    "h": 281.8
  },
  "luminance": 0.0896
}

Semantic roles & 50–950 ramp

primary

#4F40BC

secondary

#C2C98F

accent

#D94FC8

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4F40BC

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

Preview Lab → · Contrast checker → · Palette generator →