#3D309C#3D309C

#3D309C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.167 H 281.0°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#3D309C
RGB	rgb(61, 48, 156)
HSL	hsl(247, 53%, 40%)
HSV	hsv(247, 69%, 61%)
CMYK	cmyk(60.9%, 69.2%, 0%, 38.8%)
CIE-LAB	lab(28.13, 37.52, -56.94)
CIE-LCH	lch(28.13, 68.19, 303.38°)
OKLab	oklab(39.64% 0.032 -0.164)
OKLCH	oklch(39.64% 0.167 281)
XYZ	xyz(8.9803, 5.5057, 32.0355)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D309C #8F9C30

analogous

#30599C #3D309C #73309C

triadic

#3D309C #9C3D30 #309C3D

tetradic

#3D309C #9C3059 #8F9C30 #309C73

square

#3D309C #9C3059 #8F9C30 #309C73

split-complementary

#3D309C #9C7330 #599C30

monochromatic

#18133E #2B226D #3D309C #5344C5 #7E73D4

Accessibility & contrast

On white

9.99

#3D309C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3D309C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D309C

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D309C	#FFFFFF	#000000	##FFFFFF
##3D309C	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3d309c;
/* rgb */ color: rgb(61, 48, 156);
/* oklch */ color: oklch(39.6% 0.167 281.0);

Tailwind

colors: {
  custom: {
    50: '#7e69ba',
    500: '#3d309c',
    950: '#000000',
  },
}

SCSS

$custom: #3d309c;
$custom-light: #7e69ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3d309c",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 156
  },
  "hsl": {
    "h": 247.222,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.39644,
    "c": 0.1671,
    "h": 281
  },
  "luminance": 0.05506
}

Semantic roles & 50–950 ramp

primary

#3D309C

secondary

#B2BC6C

accent

#DC4BCB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3D309C

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

Preview Lab → · Contrast checker → · Palette generator →