#4F40AF#4F40AF

#4F40AF is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.169 H 283.5°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#4F40AF
RGB	rgb(79, 64, 175)
HSL	hsl(248, 46%, 47%)
HSV	hsv(248, 63%, 69%)
CMYK	cmyk(54.9%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(34.85, 37.06, -57.34)
CIE-LCH	lch(34.85, 68.27, 302.88°)
OKLab	oklab(45.39% 0.0395 -0.1646)
OKLCH	oklch(45.39% 0.169 283.5)
XYZ	xyz(12.7933, 8.4235, 41.5009)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F40AF #A0AF40

analogous

#4069AF #4F40AF #8740AF

triadic

#4F40AF #AF4F40 #40AF4F

tetradic

#4F40AF #AF4069 #A0AF40 #40AF87

square

#4F40AF #AF4069 #A0AF40 #40AF87

split-complementary

#4F40AF #AF8740 #69AF40

monochromatic

#271F55 #3B3082 #4F40AF #7365C7 #9C92D7

Accessibility & contrast

On white

7.82

#4F40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4F40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40AF

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40AF	#FFFFFF	#000000	##FFFFFF
##4F40AF	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#245B71

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4f40af;
/* rgb */ color: rgb(79, 64, 175);
/* oklch */ color: oklch(45.4% 0.169 283.5);

Tailwind

colors: {
  custom: {
    50: '#8976c8',
    500: '#4f40af',
    950: '#000000',
  },
}

SCSS

$custom: #4f40af;
$custom-light: #8976c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40af",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 248.108,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45393,
    "c": 0.16929,
    "h": 283.5
  },
  "luminance": 0.08424
}

Semantic roles & 50–950 ramp

primary

#4F40AF

secondary

#BBC388

accent

#D652C4

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4F40AF

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

Preview Lab → · Contrast checker → · Palette generator →