#4340D0#4340D0

#4340D0 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.4% C 0.214 H 275.4°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#4340D0
RGB	rgb(67, 64, 208)
HSL	hsl(241, 61%, 53%)
HSV	hsv(241, 69%, 82%)
CMYK	cmyk(67.8%, 69.2%, 0%, 18.4%)
CIE-LAB	lab(36.77, 45.90, -73.59)
CIE-LCH	lch(36.77, 86.73, 301.95°)
OKLab	oklab(47.42% 0.0203 -0.2126)
OKLCH	oklch(47.42% 0.214 275.4)
XYZ	xyz(15.5296, 9.4127, 60.6607)
Luminance	0.0941 (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

#4340D0 #CDD040

analogous

#4085D0 #4340D0 #8B40D0

triadic

#4340D0 #D04340 #40D043

tetradic

#4340D0 #D04085 #CDD040 #40D08B

square

#4340D0 #D04085 #CDD040 #40D08B

split-complementary

#4340D0 #D08B40 #85D040

monochromatic

#1F1E78 #2C2AA9 #4340D0 #7371DC #A4A2E8

Accessibility & contrast

On white

7.28

#4340D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4340D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340D0

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340D0	#FFFFFF	#000000	##FFFFFF
##4340D0	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD4

Deuteranopia (green-blind)

#0050CD

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4340d0;
/* rgb */ color: rgb(67, 64, 208);
/* oklch */ color: oklch(47.4% 0.214 275.4);

Tailwind

colors: {
  custom: {
    50: '#8976e0',
    500: '#4340d0',
    950: '#000000',
  },
}

SCSS

$custom: #4340d0;
$custom-light: #8976e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4340d0",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 208
  },
  "hsl": {
    "h": 241.25,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.4742,
    "c": 0.21356,
    "h": 275.4
  },
  "luminance": 0.09414
}

Semantic roles & 50–950 ramp

primary

#4340D0

secondary

#D4D597

accent

#E444E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340D0

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

Preview Lab → · Contrast checker → · Palette generator →