#3945DA#3945DA

#3945DA is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.6% C 0.223 H 271.3°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3945DA
RGB	rgb(57, 69, 218)
HSL	hsl(236, 69%, 54%)
HSV	hsv(236, 74%, 85%)
CMYK	cmyk(73.9%, 68.3%, 0%, 14.5%)
CIE-LAB	lab(38.17, 45.22, -77.06)
CIE-LCH	lch(38.17, 89.35, 300.41°)
OKLab	oklab(48.56% 0.005 -0.223)
OKLCH	oklch(48.56% 0.223 271.3)
XYZ	xyz(16.4661, 10.1863, 67.4144)
Luminance	0.1019 (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

#3945DA #DACE39

analogous

#3996DA #3945DA #7E39DA

triadic

#3945DA #DA3945 #45DA39

tetradic

#3945DA #DA3996 #DACE39 #39DA7E

square

#3945DA #DA3996 #DACE39 #39DA7E

split-complementary

#3945DA #DA7E39 #96DA39

monochromatic

#182081 #222DB4 #3945DA #6D75E4 #A0A6ED

Accessibility & contrast

On white

6.91

#3945DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3945DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3945DA

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945DA	#FFFFFF	#000000	##FFFFFF
##3945DA	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DF

Deuteranopia (green-blind)

#0052D7

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3945da;
/* rgb */ color: rgb(57, 69, 218);
/* oklch */ color: oklch(48.6% 0.223 271.3);

Tailwind

colors: {
  custom: {
    50: '#8779e7',
    500: '#3945da',
    950: '#000000',
  },
}

SCSS

$custom: #3945da;
$custom-light: #8779e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3945da",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 218
  },
  "hsl": {
    "h": 235.528,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48558,
    "c": 0.22301,
    "h": 271.3
  },
  "luminance": 0.10188
}

Semantic roles & 50–950 ramp

primary

#3945DA

secondary

#DAD595

accent

#DE3CEB

background

#F9F7FE

surface

#F1EDFD

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3945DA

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

Preview Lab → · Contrast checker → · Palette generator →