#3D409C#3D409C

#3D409C is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.147 H 276.7°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3D409C
RGB	rgb(61, 64, 156)
HSL	hsl(238, 44%, 43%)
HSV	hsv(238, 61%, 61%)
CMYK	cmyk(60.9%, 59%, 0%, 38.8%)
CIE-LAB	lab(31.94, 27.48, -50.72)
CIE-LCH	lch(31.94, 57.69, 298.44°)
OKLab	oklab(42.43% 0.0172 -0.1457)
OKLCH	oklch(42.43% 0.147 276.7)
XYZ	xyz(9.7567, 7.0585, 32.2943)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D409C #9C993D

analogous

#3D709C #3D409C #693D9C

triadic

#3D409C #9C3D40 #409C3D

tetradic

#3D409C #9C3D70 #9C993D #3D9C69

square

#3D409C #9C3D70 #9C993D #3D9C69

split-complementary

#3D409C #9C693D #709C3D

monochromatic

#1B1C44 #2C2E70 #3D409C #585CBE #8487CF

Accessibility & contrast

On white

8.71

#3D409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3D409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D409C

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D409C	#FFFFFF	#000000	##FFFFFF
##3D409C	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3d409c;
/* rgb */ color: rgb(61, 64, 156);
/* oklch */ color: oklch(42.4% 0.147 276.7);

Tailwind

colors: {
  custom: {
    50: '#7c75ba',
    500: '#3d409c',
    950: '#000000',
  },
}

SCSS

$custom: #3d409c;
$custom-light: #7c75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3d409c",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 238.105,
    "s": 43.779,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42428,
    "c": 0.14671,
    "h": 276.7
  },
  "luminance": 0.07059
}

Semantic roles & 50–950 ramp

primary

#3D409C

secondary

#B9B77C

accent

#D054D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3D409C

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

Preview Lab → · Contrast checker → · Palette generator →