#3E40D3#3E40D3

#3E40D3 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.4% C 0.218 H 273.7°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3E40D3
RGB	rgb(62, 64, 211)
HSL	hsl(239, 63%, 54%)
HSV	hsv(239, 71%, 83%)
CMYK	cmyk(70.6%, 69.7%, 0%, 17.3%)
CIE-LAB	lab(36.73, 46.32, -75.40)
CIE-LCH	lch(36.73, 88.49, 301.57°)
OKLab	oklab(47.39% 0.014 -0.218)
OKLCH	oklch(47.39% 0.218 273.7)
XYZ	xyz(15.5740, 9.3926, 62.6076)
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

#3E40D3 #D3D13E

analogous

#3E8AD3 #3E40D3 #863ED3

triadic

#3E40D3 #D33E40 #40D33E

tetradic

#3E40D3 #D33E8A #D3D13E #3ED386

square

#3E40D3 #D33E8A #D3D13E #3ED386

split-complementary

#3E40D3 #D3863E #8AD33E

monochromatic

#1C1D7B #2729AC #3E40D3 #7071DE #A2A3EA

Accessibility & contrast

On white

7.29

#3E40D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3E40D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40D3

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40D3	#FFFFFF	#000000	##FFFFFF
##3E40D3	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD7

Deuteranopia (green-blind)

#004FD0

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3e40d3;
/* rgb */ color: rgb(62, 64, 211);
/* oklch */ color: oklch(47.4% 0.218 273.7);

Tailwind

colors: {
  custom: {
    50: '#8876e2',
    500: '#3e40d3',
    950: '#000000',
  },
}

SCSS

$custom: #3e40d3;
$custom-light: #8876e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40d3",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 211
  },
  "hsl": {
    "h": 239.195,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47394,
    "c": 0.21845,
    "h": 273.7
  },
  "luminance": 0.09394
}

Semantic roles & 50–950 ramp

primary

#3E40D3

secondary

#D6D596

accent

#E442E6

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3E40D3

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

Preview Lab → · Contrast checker → · Palette generator →