#3D309E#3D309E

#3D309E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.170 H 280.7°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#3D309E
RGB	rgb(61, 48, 158)
HSL	hsl(247, 53%, 40%)
HSV	hsv(247, 70%, 62%)
CMYK	cmyk(61.4%, 69.6%, 0%, 38%)
CIE-LAB	lab(28.31, 38.17, -57.86)
CIE-LCH	lch(28.31, 69.31, 303.41°)
OKLab	oklab(39.83% 0.0317 -0.1667)
OKLCH	oklch(39.83% 0.17 280.7)
XYZ	xyz(9.1510, 5.5740, 32.9348)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D309E #919E30

analogous

#305A9E #3D309E #74309E

triadic

#3D309E #9E3D30 #309E3D

tetradic

#3D309E #9E305A #919E30 #309E74

square

#3D309E #9E305A #919E30 #309E74

split-complementary

#3D309E #9E7430 #5A9E30

monochromatic

#191340 #2B226F #3D309E #5445C6 #7F74D5

Accessibility & contrast

On white

9.93

#3D309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3D309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D309E

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D309E	#FFFFFF	#000000	##FFFFFF
##3D309E	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3d309e;
/* rgb */ color: rgb(61, 48, 158);
/* oklch */ color: oklch(39.8% 0.170 280.7);

Tailwind

colors: {
  custom: {
    50: '#7e6abc',
    500: '#3d309e',
    950: '#000000',
  },
}

SCSS

$custom: #3d309e;
$custom-light: #7e6abc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d309e",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 247.091,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3983,
    "c": 0.16969,
    "h": 280.7
  },
  "luminance": 0.05575
}

Semantic roles & 50–950 ramp

primary

#3D309E

secondary

#B3BD6D

accent

#DD4BCC

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3D309E

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

Preview Lab → · Contrast checker → · Palette generator →