#3947E2#3947E2

#3947E2 is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.6% C 0.231 H 270.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3947E2
RGB	rgb(57, 71, 226)
HSL	hsl(235, 74%, 55%)
HSV	hsv(235, 75%, 89%)
CMYK	cmyk(74.8%, 68.6%, 0%, 11.4%)
CIE-LAB	lab(39.35, 46.74, -79.69)
CIE-LCH	lch(39.35, 92.39, 300.39°)
OKLab	oklab(49.64% 0.0031 -0.2306)
OKLCH	oklch(49.64% 0.231 270.8)
XYZ	xyz(17.6634, 10.8654, 73.1031)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3947E2 #E2D439

analogous

#399BE2 #3947E2 #8039E2

triadic

#3947E2 #E23947 #47E239

tetradic

#3947E2 #E2399B #E2D439 #39E280

square

#3947E2 #E2399B #E2D439 #39E280

split-complementary

#3947E2 #E28039 #9BE239

monochromatic

#151E8C #1C2AC1 #3947E2 #6E79EA #A4AAF2

Accessibility & contrast

On white

6.62

#3947E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3947E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3947E2

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3947E2	#FFFFFF	#000000	##FFFFFF
##3947E2	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E7

Deuteranopia (green-blind)

#0055DF

Tritanopia (blue-blind)

#00728F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3947e2;
/* rgb */ color: rgb(57, 71, 226);
/* oklch */ color: oklch(49.6% 0.231 270.8);

Tailwind

colors: {
  custom: {
    50: '#897bec',
    500: '#3947e2',
    950: '#000000',
  },
}

SCSS

$custom: #3947e2;
$custom-light: #897bec;
$custom-dark: #000000;

JSON

{
  "hex": "#3947e2",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 226
  },
  "hsl": {
    "h": 235.03,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49635,
    "c": 0.23067,
    "h": 270.8
  },
  "luminance": 0.10867
}

Semantic roles & 50–950 ramp

primary

#3947E2

secondary

#DFD998

accent

#E237F1

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3947E2

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

Preview Lab → · Contrast checker → · Palette generator →