#3948E2#3948E2

#3948E2 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.8% C 0.230 H 270.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3948E2
RGB	rgb(57, 72, 226)
HSL	hsl(235, 74%, 55%)
HSV	hsv(235, 75%, 89%)
CMYK	cmyk(74.8%, 68.1%, 0%, 11.4%)
CIE-LAB	lab(39.57, 46.15, -79.33)
CIE-LCH	lch(39.57, 91.78, 300.19°)
OKLab	oklab(49.79% 0.0026 -0.2296)
OKLCH	oklch(49.79% 0.23 270.6)
XYZ	xyz(17.7275, 10.9937, 73.1245)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948E2 #E2D339

analogous

#399CE2 #3948E2 #7F39E2

triadic

#3948E2 #E23948 #48E239

tetradic

#3948E2 #E2399C #E2D339 #39E27F

square

#3948E2 #E2399C #E2D339 #39E27F

split-complementary

#3948E2 #E27F39 #9CE239

monochromatic

#151F8C #1C2BC1 #3948E2 #6E79EA #A4ABF2

Accessibility & contrast

On white

6.56

#3948E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3948E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3948E2

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948E2	#FFFFFF	#000000	##FFFFFF
##3948E2	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	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: #3948e2;
/* rgb */ color: rgb(57, 72, 226);
/* oklch */ color: oklch(49.8% 0.230 270.6);

Tailwind

colors: {
  custom: {
    50: '#897bec',
    500: '#3948e2',
    950: '#000000',
  },
}

SCSS

$custom: #3948e2;
$custom-light: #897bec;
$custom-dark: #000000;

JSON

{
  "hex": "#3948e2",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 226
  },
  "hsl": {
    "h": 234.675,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49792,
    "c": 0.22962,
    "h": 270.6
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#3948E2

secondary

#DFD898

accent

#E137F1

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3948E2

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

Preview Lab → · Contrast checker → · Palette generator →