#3D40D4#3D40D4

#3D40D4 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.4% C 0.220 H 273.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3D40D4
RGB	rgb(61, 64, 212)
HSL	hsl(239, 64%, 54%)
HSV	hsv(239, 71%, 83%)
CMYK	cmyk(71.2%, 69.8%, 0%, 16.9%)
CIE-LAB	lab(36.76, 46.55, -75.92)
CIE-LCH	lch(36.76, 89.05, 301.51°)
OKLab	oklab(47.43% 0.0127 -0.2195)
OKLCH	oklch(47.43% 0.22 273.3)
XYZ	xyz(15.6376, 9.4108, 63.2669)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40D4 #D4D13D

analogous

#3D8BD4 #3D40D4 #853DD4

triadic

#3D40D4 #D43D40 #40D43D

tetradic

#3D40D4 #D43D8B #D4D13D #3DD485

square

#3D40D4 #D43D8B #D4D13D #3DD485

split-complementary

#3D40D4 #D4853D #8BD43D

monochromatic

#1B1D7B #2629AD #3D40D4 #6F71DF #A1A3EA

Accessibility & contrast

On white

7.29

#3D40D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3D40D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40D4

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40D4	#FFFFFF	#000000	##FFFFFF
##3D40D4	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)

#005ED8

Deuteranopia (green-blind)

#004FD1

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3d40d4;
/* rgb */ color: rgb(61, 64, 212);
/* oklch */ color: oklch(47.4% 0.220 273.3);

Tailwind

colors: {
  custom: {
    50: '#8876e2',
    500: '#3d40d4',
    950: '#000000',
  },
}

SCSS

$custom: #3d40d4;
$custom-light: #8876e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40d4",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 212
  },
  "hsl": {
    "h": 238.808,
    "s": 63.713,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47431,
    "c": 0.21992,
    "h": 273.3
  },
  "luminance": 0.09412
}

Semantic roles & 50–950 ramp

primary

#3D40D4

secondary

#D7D596

accent

#E341E7

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3D40D4

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

Preview Lab → · Contrast checker → · Palette generator →