#3D309A#3D309A

#3D309A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.165 H 281.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#3D309A
RGB	rgb(61, 48, 154)
HSL	hsl(247, 52%, 40%)
HSV	hsv(247, 69%, 60%)
CMYK	cmyk(60.4%, 68.8%, 0%, 39.6%)
CIE-LAB	lab(27.95, 36.87, -56.01)
CIE-LCH	lch(27.95, 67.05, 303.35°)
OKLab	oklab(39.46% 0.0323 -0.1613)
OKLCH	oklch(39.46% 0.165 281.3)
XYZ	xyz(8.8123, 5.4385, 31.1509)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D309A #8D9A30

analogous

#30589A #3D309A #72309A

triadic

#3D309A #9A3D30 #309A3D

tetradic

#3D309A #9A3058 #8D9A30 #309A72

square

#3D309A #9A3058 #8D9A30 #309A72

split-complementary

#3D309A #9A7230 #589A30

monochromatic

#18133D #2B216B #3D309A #5343C4 #7D72D3

Accessibility & contrast

On white

10.06

#3D309A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3D309A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D309A

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D309A	#FFFFFF	#000000	##FFFFFF
##3D309A	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3d309a;
/* rgb */ color: rgb(61, 48, 154);
/* oklch */ color: oklch(39.5% 0.165 281.3);

Tailwind

colors: {
  custom: {
    50: '#7d69b9',
    500: '#3d309a',
    950: '#000000',
  },
}

SCSS

$custom: #3d309a;
$custom-light: #7d69b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d309a",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 247.358,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39458,
    "c": 0.1645,
    "h": 281.3
  },
  "luminance": 0.05439
}

Semantic roles & 50–950 ramp

primary

#3D309A

secondary

#B1BB6B

accent

#DC4CCA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3D309A

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

Preview Lab → · Contrast checker → · Palette generator →