#3945CA#3945CA

#3945CA is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.1% C 0.203 H 271.8°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#3945CA
RGB	rgb(57, 69, 202)
HSL	hsl(235, 58%, 51%)
HSV	hsv(235, 72%, 79%)
CMYK	cmyk(71.8%, 65.8%, 0%, 20.8%)
CIE-LAB	lab(36.72, 39.74, -70.21)
CIE-LCH	lch(36.72, 80.68, 299.51°)
OKLab	oklab(47.06% 0.0065 -0.2029)
OKLCH	oklch(47.06% 0.203 271.8)
XYZ	xyz(14.4725, 9.3889, 56.9152)
Luminance	0.0939 (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

#3945CA #CABE39

analogous

#398ECA #3945CA #7539CA

triadic

#3945CA #CA3945 #45CA39

tetradic

#3945CA #CA398E #CABE39 #39CA75

square

#3945CA #CA398E #CABE39 #39CA75

split-complementary

#3945CA #CA7539 #8ECA39

monochromatic

#1D236C #2A339C #3945CA #6972D7 #9AA0E4

Accessibility & contrast

On white

7.30

#3945CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3945CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945CA

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945CA	#FFFFFF	#000000	##FFFFFF
##3945CA	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCE

Deuteranopia (green-blind)

#0050C7

Tritanopia (blue-blind)

#006881

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3945ca;
/* rgb */ color: rgb(57, 69, 202);
/* oklch */ color: oklch(47.1% 0.203 271.8);

Tailwind

colors: {
  custom: {
    50: '#8479db',
    500: '#3945ca',
    950: '#000000',
  },
}

SCSS

$custom: #3945ca;
$custom-light: #8479db;
$custom-dark: #000000;

JSON

{
  "hex": "#3945ca",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 202
  },
  "hsl": {
    "h": 235.034,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47063,
    "c": 0.20304,
    "h": 271.8
  },
  "luminance": 0.0939
}

Semantic roles & 50–950 ramp

primary

#3945CA

secondary

#D0CA8F

accent

#D447E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3945CA

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

Preview Lab → · Contrast checker → · Palette generator →