#3945E2#3945E2

#3945E2 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.3% C 0.233 H 271.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3945E2
RGB	rgb(57, 69, 226)
HSL	hsl(236, 74%, 55%)
HSV	hsv(236, 75%, 89%)
CMYK	cmyk(74.8%, 69.5%, 0%, 11.4%)
CIE-LAB	lab(38.92, 47.91, -80.40)
CIE-LCH	lch(38.92, 93.59, 300.79°)
OKLab	oklab(49.33% 0.0041 -0.2327)
OKLCH	oklch(49.33% 0.233 271)
XYZ	xyz(17.5383, 10.6152, 73.0614)
Luminance	0.1062 (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

#3945E2 #E2D639

analogous

#3999E2 #3945E2 #8239E2

triadic

#3945E2 #E23945 #45E239

tetradic

#3945E2 #E23999 #E2D639 #39E282

square

#3945E2 #E23999 #E2D639 #39E282

split-complementary

#3945E2 #E28239 #99E239

monochromatic

#151D8C #1C28C1 #3945E2 #6E77EA #A4A9F2

Accessibility & contrast

On white

6.72

#3945E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3945E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3945E2

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945E2	#FFFFFF	#000000	##FFFFFF
##3945E2	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E7

Deuteranopia (green-blind)

#0053DF

Tritanopia (blue-blind)

#00718E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3945e2;
/* rgb */ color: rgb(57, 69, 226);
/* oklch */ color: oklch(49.3% 0.233 271.0);

Tailwind

colors: {
  custom: {
    50: '#8979ec',
    500: '#3945e2',
    950: '#000000',
  },
}

SCSS

$custom: #3945e2;
$custom-light: #8979ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3945e2",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 226
  },
  "hsl": {
    "h": 235.74,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49326,
    "c": 0.23274,
    "h": 271
  },
  "luminance": 0.10617
}

Semantic roles & 50–950 ramp

primary

#3945E2

secondary

#DFDA98

accent

#E437F1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3945E2

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

Preview Lab → · Contrast checker → · Palette generator →