#4340CD#4340CD

#4340CD is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.210 H 275.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#4340CD
RGB	rgb(67, 64, 205)
HSL	hsl(241, 59%, 53%)
HSV	hsv(241, 69%, 80%)
CMYK	cmyk(67.3%, 68.8%, 0%, 19.6%)
CIE-LAB	lab(36.49, 44.92, -72.30)
CIE-LCH	lch(36.49, 85.12, 301.85°)
OKLab	oklab(47.14% 0.0207 -0.2088)
OKLCH	oklch(47.14% 0.21 275.7)
XYZ	xyz(15.1640, 9.2665, 58.7353)
Luminance	0.0927 (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

#4340CD #CACD40

analogous

#4083CD #4340CD #8A40CD

triadic

#4340CD #CD4340 #40CD43

tetradic

#4340CD #CD4083 #CACD40 #40CD8A

square

#4340CD #CD4083 #CACD40 #40CD8A

split-complementary

#4340CD #CD8A40 #83CD40

monochromatic

#201E74 #2E2BA5 #4340CD #7371DA #A2A1E6

Accessibility & contrast

On white

7.36

#4340CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4340CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4340CD

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4340CD	#FFFFFF	#000000	##FFFFFF
##4340CD	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD1

Deuteranopia (green-blind)

#004FCA

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4340cd;
/* rgb */ color: rgb(67, 64, 205);
/* oklch */ color: oklch(47.1% 0.210 275.7);

Tailwind

colors: {
  custom: {
    50: '#8976dd',
    500: '#4340cd',
    950: '#000000',
  },
}

SCSS

$custom: #4340cd;
$custom-light: #8976dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4340cd",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 205
  },
  "hsl": {
    "h": 241.277,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47139,
    "c": 0.20986,
    "h": 275.7
  },
  "luminance": 0.09268
}

Semantic roles & 50–950 ramp

primary

#4340CD

secondary

#D2D396

accent

#E246DE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4340CD

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

Preview Lab → · Contrast checker → · Palette generator →