#3E40DA#3E40DA

#3E40DA is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.227 H 273.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#3E40DA
RGB	rgb(62, 64, 218)
HSL	hsl(239, 68%, 55%)
HSV	hsv(239, 72%, 85%)
CMYK	cmyk(71.6%, 70.6%, 0%, 14.5%)
CIE-LAB	lab(37.39, 48.62, -78.34)
CIE-LCH	lch(37.39, 92.20, 301.83°)
OKLab	oklab(48.07% 0.013 -0.2266)
OKLCH	oklch(48.07% 0.227 273.3)
XYZ	xyz(16.4707, 9.7512, 67.3302)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E40DA #DAD83E

analogous

#3E8EDA #3E40DA #8A3EDA

triadic

#3E40DA #DA3E40 #40DA3E

tetradic

#3E40DA #DA3E8E #DAD83E #3EDA8A

square

#3E40DA #DA3E8E #DAD83E #3EDA8A

split-complementary

#3E40DA #DA8A3E #8EDA3E

monochromatic

#191B84 #2325B8 #3E40DA #7173E4 #A5A6EE

Accessibility & contrast

On white

7.12

#3E40DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3E40DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40DA

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40DA	#FFFFFF	#000000	##FFFFFF
##3E40DA	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDF

Deuteranopia (green-blind)

#0050D7

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3e40da;
/* rgb */ color: rgb(62, 64, 218);
/* oklch */ color: oklch(48.1% 0.227 273.3);

Tailwind

colors: {
  custom: {
    50: '#8976e7',
    500: '#3e40da',
    950: '#000000',
  },
}

SCSS

$custom: #3e40da;
$custom-light: #8976e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40da",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 218
  },
  "hsl": {
    "h": 239.231,
    "s": 67.826,
    "l": 54.902
  },
  "oklch": {
    "l": 0.4807,
    "c": 0.22695,
    "h": 273.3
  },
  "luminance": 0.09753
}

Semantic roles & 50–950 ramp

primary

#3E40DA

secondary

#DBDA99

accent

#E83DEB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3E40DA

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

Preview Lab → · Contrast checker → · Palette generator →