#3D309F#3D309F

#3D309F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.171 H 280.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#3D309F
RGB	rgb(61, 48, 159)
HSL	hsl(247, 54%, 41%)
HSV	hsv(247, 70%, 62%)
CMYK	cmyk(61.6%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(28.40, 38.49, -58.31)
CIE-LCH	lch(28.40, 69.87, 303.43°)
OKLab	oklab(39.92% 0.0315 -0.168)
OKLCH	oklch(39.92% 0.171 280.6)
XYZ	xyz(9.2375, 5.6085, 33.3899)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D309F #929F30

analogous

#305A9F #3D309F #74309F

triadic

#3D309F #9F3D30 #309F3D

tetradic

#3D309F #9F305A #929F30 #309F74

square

#3D309F #9F305A #929F30 #309F74

split-complementary

#3D309F #9F7430 #5A9F30

monochromatic

#191441 #2B2270 #3D309F #5445C7 #8074D5

Accessibility & contrast

On white

9.90

#3D309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3D309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D309F

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D309F	#FFFFFF	#000000	##FFFFFF
##3D309F	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3d309f;
/* rgb */ color: rgb(61, 48, 159);
/* oklch */ color: oklch(39.9% 0.171 280.6);

Tailwind

colors: {
  custom: {
    50: '#7e6abc',
    500: '#3d309f',
    950: '#000000',
  },
}

SCSS

$custom: #3d309f;
$custom-light: #7e6abc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d309f",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 247.027,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39924,
    "c": 0.17097,
    "h": 280.6
  },
  "luminance": 0.05609
}

Semantic roles & 50–950 ramp

primary

#3D309F

secondary

#B4BD6E

accent

#DD4BCC

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3D309F

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

Preview Lab → · Contrast checker → · Palette generator →