#3D40A5#3D40A5

#3D40A5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.159 H 276.1°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3D40A5
RGB	rgb(61, 64, 165)
HSL	hsl(238, 46%, 44%)
HSV	hsv(238, 63%, 65%)
CMYK	cmyk(63%, 61.2%, 0%, 35.3%)
CIE-LAB	lab(32.65, 30.59, -55.01)
CIE-LCH	lch(32.65, 62.94, 299.08°)
OKLab	oklab(43.17% 0.0171 -0.1583)
OKLCH	oklch(43.17% 0.159 276.1)
XYZ	xyz(10.5472, 7.3747, 36.4577)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40A5 #A5A23D

analogous

#3D74A5 #3D40A5 #6E3DA5

triadic

#3D40A5 #A53D40 #40A53D

tetradic

#3D40A5 #A53D74 #A5A23D #3DA56E

square

#3D40A5 #A53D74 #A5A23D #3DA56E

split-complementary

#3D40A5 #A56E3D #74A53D

monochromatic

#1C1D4C #2C2F78 #3D40A5 #5C5FC3 #898BD3

Accessibility & contrast

On white

8.48

#3D40A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D40A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40A5

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40A5	#FFFFFF	#000000	##FFFFFF
##3D40A5	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d40a5;
/* rgb */ color: rgb(61, 64, 165);
/* oklch */ color: oklch(43.2% 0.159 276.1);

Tailwind

colors: {
  custom: {
    50: '#7e75c0',
    500: '#3d40a5',
    950: '#000000',
  },
}

SCSS

$custom: #3d40a5;
$custom-light: #7e75c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40a5",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 165
  },
  "hsl": {
    "h": 238.269,
    "s": 46.018,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43171,
    "c": 0.15922,
    "h": 276.1
  },
  "luminance": 0.07376
}

Semantic roles & 50–950 ramp

primary

#3D40A5

secondary

#BEBC80

accent

#D252D6

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3D40A5

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

Preview Lab → · Contrast checker → · Palette generator →