#3E40DD#3E40DD

#3E40DD is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.4% C 0.231 H 273.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#3E40DD
RGB	rgb(62, 64, 221)
HSL	hsl(239, 70%, 55%)
HSV	hsv(239, 72%, 87%)
CMYK	cmyk(71.9%, 71%, 0%, 13.3%)
CIE-LAB	lab(37.68, 49.60, -79.58)
CIE-LCH	lch(37.68, 93.77, 301.93°)
OKLab	oklab(48.36% 0.0125 -0.2302)
OKLCH	oklch(48.36% 0.231 273.1)
XYZ	xyz(16.8668, 9.9097, 69.4165)
Luminance	0.0991 (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

#3E40DD #DDDB3E

analogous

#3E90DD #3E40DD #8B3EDD

triadic

#3E40DD #DD3E40 #40DD3E

tetradic

#3E40DD #DD3E90 #DDDB3E #3EDD8B

square

#3E40DD #DD3E90 #DDDB3E #3EDD8B

split-complementary

#3E40DD #DD8B3E #90DD3E

monochromatic

#181989 #2123BD #3E40DD #7273E6 #A6A7EF

Accessibility & contrast

On white

7.04

#3E40DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3E40DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40DD

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40DD	#FFFFFF	#000000	##FFFFFF
##3E40DD	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E2

Deuteranopia (green-blind)

#0051DA

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3e40dd;
/* rgb */ color: rgb(62, 64, 221);
/* oklch */ color: oklch(48.4% 0.231 273.1);

Tailwind

colors: {
  custom: {
    50: '#8a76e9',
    500: '#3e40dd',
    950: '#000000',
  },
}

SCSS

$custom: #3e40dd;
$custom-light: #8a76e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40dd",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 221
  },
  "hsl": {
    "h": 239.245,
    "s": 70.044,
    "l": 55.49
  },
  "oklch": {
    "l": 0.48362,
    "c": 0.23055,
    "h": 273.1
  },
  "luminance": 0.09911
}

Semantic roles & 50–950 ramp

primary

#3E40DD

secondary

#DDDC9A

accent

#EB3BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3E40DD

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

Preview Lab → · Contrast checker → · Palette generator →