#3D308A#3D308A

#3D308A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.143 H 283.8°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#3D308A
RGB	rgb(61, 48, 138)
HSL	hsl(249, 48%, 36%)
HSV	hsv(249, 65%, 54%)
CMYK	cmyk(55.8%, 65.2%, 0%, 45.9%)
CIE-LAB	lab(26.56, 31.63, -48.42)
CIE-LCH	lch(26.56, 57.83, 303.16°)
OKLab	oklab(38.03% 0.0342 -0.139)
OKLCH	oklch(38.03% 0.143 283.8)
XYZ	xyz(7.5675, 4.9405, 24.5947)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D308A #7D8A30

analogous

#30508A #3D308A #6A308A

triadic

#3D308A #8A3D30 #308A3D

tetradic

#3D308A #8A3050 #7D8A30 #308A6A

square

#3D308A #8A3050 #7D8A30 #308A6A

split-complementary

#3D308A #8A6A30 #508A30

monochromatic

#15102F #29205D #3D308A #5140B7 #7869CB

Accessibility & contrast

On white

10.56

#3D308A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3D308A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D308A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D308A	#FFFFFF	#000000	##FFFFFF
##3D308A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#1B4658

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3d308a;
/* rgb */ color: rgb(61, 48, 138);
/* oklch */ color: oklch(38.0% 0.143 283.8);

Tailwind

colors: {
  custom: {
    50: '#7a69ad',
    500: '#3d308a',
    950: '#000000',
  },
}

SCSS

$custom: #3d308a;
$custom-light: #7a69ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3d308a",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 138
  },
  "hsl": {
    "h": 248.667,
    "s": 48.387,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38027,
    "c": 0.14316,
    "h": 283.8
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#3D308A

secondary

#A7B264

accent

#D850C4

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #3D308A

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

Preview Lab → · Contrast checker → · Palette generator →