#4340AD#4340AD

#4340AD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.169 H 278.2°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#4340AD
RGB	rgb(67, 64, 173)
HSL	hsl(242, 46%, 46%)
HSV	hsv(242, 63%, 68%)
CMYK	cmyk(61.3%, 63%, 0%, 32.2%)
CIE-LAB	lab(33.72, 34.32, -58.02)
CIE-LCH	lch(33.72, 67.41, 300.60°)
OKLab	oklab(44.28% 0.024 -0.167)
OKLCH	oklch(44.28% 0.169 278.2)
XYZ	xyz(11.6885, 7.8763, 40.4314)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4340AD #AAAD40

analogous

#4074AD #4340AD #7A40AD

triadic

#4340AD #AD4340 #40AD43

tetradic

#4340AD #AD4074 #AAAD40 #40AD7A

square

#4340AD #AD4074 #AAAD40 #40AD7A

split-complementary

#4340AD #AD7A40 #74AD40

monochromatic

#201F54 #322F80 #4340AD #6764C6 #9391D6

Accessibility & contrast

On white

8.15

#4340AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4340AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340AD

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340AD	#FFFFFF	#000000	##FFFFFF
##4340AD	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B1

Deuteranopia (green-blind)

#004BAB

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4340ad;
/* rgb */ color: rgb(67, 64, 173);
/* oklch */ color: oklch(44.3% 0.169 278.2);

Tailwind

colors: {
  custom: {
    50: '#8375c6',
    500: '#4340ad',
    950: '#000000',
  },
}

SCSS

$custom: #4340ad;
$custom-light: #8375c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4340ad",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 241.651,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44278,
    "c": 0.1687,
    "h": 278.2
  },
  "luminance": 0.07877
}

Semantic roles & 50–950 ramp

primary

#4340AD

secondary

#C0C287

accent

#D652D2

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4340AD

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

Preview Lab → · Contrast checker → · Palette generator →