#3D309D#3D309D

#3D309D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.168 H 280.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#3D309D
RGB	rgb(61, 48, 157)
HSL	hsl(247, 53%, 40%)
HSV	hsv(247, 69%, 62%)
CMYK	cmyk(61.1%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(28.22, 37.84, -57.40)
CIE-LCH	lch(28.22, 68.75, 303.40°)
OKLab	oklab(39.74% 0.0318 -0.1654)
OKLCH	oklch(39.74% 0.168 280.9)
XYZ	xyz(9.0653, 5.5397, 32.4833)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D309D #909D30

analogous

#30599D #3D309D #73309D

triadic

#3D309D #9D3D30 #309D3D

tetradic

#3D309D #9D3059 #909D30 #309D73

square

#3D309D #9D3059 #909D30 #309D73

split-complementary

#3D309D #9D7330 #599D30

monochromatic

#19133F #2B226E #3D309D #5444C6 #7F73D4

Accessibility & contrast

On white

9.96

#3D309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3D309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D309D

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D309D	#FFFFFF	#000000	##FFFFFF
##3D309D	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3d309d;
/* rgb */ color: rgb(61, 48, 157);
/* oklch */ color: oklch(39.7% 0.168 280.9);

Tailwind

colors: {
  custom: {
    50: '#7e6abb',
    500: '#3d309d',
    950: '#000000',
  },
}

SCSS

$custom: #3d309d;
$custom-light: #7e6abb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d309d",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 247.156,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39737,
    "c": 0.1684,
    "h": 280.9
  },
  "luminance": 0.0554
}

Semantic roles & 50–950 ramp

primary

#3D309D

secondary

#B3BC6D

accent

#DD4BCB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3D309D

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

Preview Lab → · Contrast checker → · Palette generator →