#3D40D5#3D40D5

#3D40D5 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.221 H 273.3°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#3D40D5
RGB	rgb(61, 64, 213)
HSL	hsl(239, 64%, 54%)
HSV	hsv(239, 71%, 84%)
CMYK	cmyk(71.4%, 70%, 0%, 16.5%)
CIE-LAB	lab(36.86, 46.88, -76.34)
CIE-LCH	lch(36.86, 89.59, 301.55°)
OKLab	oklab(47.53% 0.0126 -0.2208)
OKLCH	oklch(47.53% 0.221 273.3)
XYZ	xyz(15.7641, 9.4614, 63.9333)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40D5 #D5D23D

analogous

#3D8CD5 #3D40D5 #863DD5

triadic

#3D40D5 #D53D40 #40D53D

tetradic

#3D40D5 #D53D8C #D5D23D #3DD586

square

#3D40D5 #D53D8C #D5D23D #3DD586

split-complementary

#3D40D5 #D5863D #8CD53D

monochromatic

#1B1D7D #2629AF #3D40D5 #6F72E0 #A2A3EB

Accessibility & contrast

On white

7.26

#3D40D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3D40D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40D5

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40D5	#FFFFFF	#000000	##FFFFFF
##3D40D5	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED9

Deuteranopia (green-blind)

#004FD2

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3d40d5;
/* rgb */ color: rgb(61, 64, 213);
/* oklch */ color: oklch(47.5% 0.221 273.3);

Tailwind

colors: {
  custom: {
    50: '#8876e3',
    500: '#3d40d5',
    950: '#000000',
  },
}

SCSS

$custom: #3d40d5;
$custom-light: #8876e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40d5",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 238.816,
    "s": 64.407,
    "l": 53.725
  },
  "oklch": {
    "l": 0.47528,
    "c": 0.22114,
    "h": 273.3
  },
  "luminance": 0.09463
}

Semantic roles & 50–950 ramp

primary

#3D40D5

secondary

#D7D696

accent

#E440E7

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3D40D5

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

Preview Lab → · Contrast checker → · Palette generator →