#3D3391#3D3391

#3D3391 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.149 H 281.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#3D3391
RGB	rgb(61, 51, 145)
HSL	hsl(246, 48%, 38%)
HSV	hsv(246, 65%, 57%)
CMYK	cmyk(57.9%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(27.86, 32.06, -50.64)
CIE-LCH	lch(27.86, 59.94, 302.34°)
OKLab	oklab(39.15% 0.0306 -0.1456)
OKLCH	oklch(39.15% 0.149 281.9)
XYZ	xyz(8.2175, 5.4036, 27.3925)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D3391 #879133

analogous

#335891 #3D3391 #6C3391

triadic

#3D3391 #913D33 #33913D

tetradic

#3D3391 #913358 #879133 #33916C

square

#3D3391 #913358 #879133 #33916C

split-complementary

#3D3391 #916C33 #589133

monochromatic

#171336 #2A2364 #3D3391 #5144BD #7B71CD

Accessibility & contrast

On white

10.09

#3D3391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3D3391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3391

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3391	#FFFFFF	#000000	##FFFFFF
##3D3391	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#114A5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3d3391;
/* rgb */ color: rgb(61, 51, 145);
/* oklch */ color: oklch(39.1% 0.149 281.9);

Tailwind

colors: {
  custom: {
    50: '#7b6bb2',
    500: '#3d3391',
    950: '#000000',
  },
}

SCSS

$custom: #3d3391;
$custom-light: #7b6bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3391",
  "rgb": {
    "r": 61,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 246.383,
    "s": 47.959,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39149,
    "c": 0.14873,
    "h": 281.9
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#3D3391

secondary

#ADB56B

accent

#D850C9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3D3391

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

Preview Lab → · Contrast checker → · Palette generator →