#3E40D4#3E40D4

#3E40D4 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.5% C 0.220 H 273.6°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#3E40D4
RGB	rgb(62, 64, 212)
HSL	hsl(239, 64%, 54%)
HSV	hsv(239, 71%, 83%)
CMYK	cmyk(70.8%, 69.8%, 0%, 16.9%)
CIE-LAB	lab(36.82, 46.65, -75.82)
CIE-LCH	lch(36.82, 89.02, 301.60°)
OKLab	oklab(47.49% 0.0138 -0.2192)
OKLCH	oklch(47.49% 0.22 273.6)
XYZ	xyz(15.6997, 9.4429, 63.2699)
Luminance	0.0944 (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

#3E40D4 #D4D23E

analogous

#3E8BD4 #3E40D4 #873ED4

triadic

#3E40D4 #D43E40 #40D43E

tetradic

#3E40D4 #D43E8B #D4D23E #3ED487

square

#3E40D4 #D43E8B #D4D23E #3ED487

split-complementary

#3E40D4 #D4873E #8BD43E

monochromatic

#1C1D7C #2729AE #3E40D4 #7072DF #A2A3EA

Accessibility & contrast

On white

7.27

#3E40D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3E40D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40D4

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E40D4	#FFFFFF	#000000	##FFFFFF
##3E40D4	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED8

Deuteranopia (green-blind)

#004FD1

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3e40d4;
/* rgb */ color: rgb(62, 64, 212);
/* oklch */ color: oklch(47.5% 0.220 273.6);

Tailwind

colors: {
  custom: {
    50: '#8876e2',
    500: '#3e40d4',
    950: '#000000',
  },
}

SCSS

$custom: #3e40d4;
$custom-light: #8876e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3e40d4",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 212
  },
  "hsl": {
    "h": 239.2,
    "s": 63.559,
    "l": 53.725
  },
  "oklch": {
    "l": 0.4749,
    "c": 0.21968,
    "h": 273.6
  },
  "luminance": 0.09444
}

Semantic roles & 50–950 ramp

primary

#3E40D4

secondary

#D7D697

accent

#E441E7

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3E40D4

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

Preview Lab → · Contrast checker → · Palette generator →