#3D408F#3D408F

#3D408F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.128 H 277.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3D408F
RGB	rgb(61, 64, 143)
HSL	hsl(238, 40%, 40%)
HSV	hsv(238, 57%, 56%)
CMYK	cmyk(57.3%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(30.98, 22.97, -44.35)
CIE-LCH	lch(30.98, 49.95, 297.38°)
OKLab	oklab(41.4% 0.0169 -0.127)
OKLCH	oklch(41.4% 0.128 277.6)
XYZ	xyz(8.7142, 6.6415, 26.8040)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D408F #8F8C3D

analogous

#3D698F #3D408F #633D8F

triadic

#3D408F #8F3D40 #408F3D

tetradic

#3D408F #8F3D69 #8F8C3D #3D8F63

square

#3D408F #8F3D69 #8F8C3D #3D8F63

split-complementary

#3D408F #8F633D #698F3D

monochromatic

#181A39 #2B2D64 #3D408F #5357B6 #7E81C8

Accessibility & contrast

On white

9.02

#3D408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3D408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D408F

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D408F	#FFFFFF	#000000	##FFFFFF
##3D408F	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C92

Deuteranopia (green-blind)

#00468D

Tritanopia (blue-blind)

#115261

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3d408f;
/* rgb */ color: rgb(61, 64, 143);
/* oklch */ color: oklch(41.4% 0.128 277.6);

Tailwind

colors: {
  custom: {
    50: '#7a74b0',
    500: '#3d408f',
    950: '#000000',
  },
}

SCSS

$custom: #3d408f;
$custom-light: #7a74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d408f",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 237.805,
    "s": 40.196,
    "l": 40
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.12808,
    "h": 277.6
  },
  "luminance": 0.06642
}

Semantic roles & 50–950 ramp

primary

#3D408F

secondary

#B2B076

accent

#CC58D0

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3D408F

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

Preview Lab → · Contrast checker → · Palette generator →