#3D337B#3D337B

#3D337B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.3% C 0.118 H 285.5°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#3D337B
RGB	rgb(61, 51, 123)
HSL	hsl(248, 41%, 34%)
HSV	hsv(248, 59%, 48%)
CMYK	cmyk(50.4%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(26.13, 24.78, -39.73)
CIE-LCH	lch(26.13, 46.83, 301.96°)
OKLab	oklab(37.33% 0.0315 -0.1134)
OKLCH	oklch(37.33% 0.118 285.5)
XYZ	xyz(6.6824, 4.7895, 19.3074)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D337B #717B33

analogous

#334D7B #3D337B #61337B

triadic

#3D337B #7B3D33 #337B3D

tetradic

#3D337B #7B334D #717B33 #337B61

square

#3D337B #7B334D #717B33 #337B61

split-complementary

#3D337B #7B6133 #4D7B33

monochromatic

#120F24 #282150 #3D337B #5245A6 #7468C0

Accessibility & contrast

On white

10.73

#3D337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3D337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D337B

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D337B	#FFFFFF	#000000	##FFFFFF
##3D337B	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05407D

Deuteranopia (green-blind)

#023C79

Tritanopia (blue-blind)

#274351

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3d337b;
/* rgb */ color: rgb(61, 51, 123);
/* oklch */ color: oklch(37.3% 0.118 285.5);

Tailwind

colors: {
  custom: {
    50: '#786ba2',
    500: '#3d337b',
    950: '#000000',
  },
}

SCSS

$custom: #3d337b;
$custom-light: #786ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d337b",
  "rgb": {
    "r": 61,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 248.333,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37334,
    "c": 0.11774,
    "h": 285.5
  },
  "luminance": 0.0479
}

Semantic roles & 50–950 ramp

primary

#3D337B

secondary

#9EA862

accent

#D157C0

background

#F7F6FA

surface

#EEEBF3

border

#C9C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3D337B

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

Preview Lab → · Contrast checker → · Palette generator →