#3D3DBB#3D3DBB

#3D3DBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.6% C 0.192 H 275.3°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3D3DBB
RGB	rgb(61, 61, 187)
HSL	hsl(240, 51%, 49%)
HSV	hsv(240, 67%, 73%)
CMYK	cmyk(67.4%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(33.81, 39.99, -66.20)
CIE-LCH	lch(33.81, 77.34, 301.13°)
OKLab	oklab(44.6% 0.0178 -0.1911)
OKLCH	oklch(44.6% 0.192 275.3)
XYZ	xyz(12.5599, 7.9163, 47.8702)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D3DBB #BBBB3D

analogous

#3D7CBB #3D3DBB #7C3DBB

triadic

#3D3DBB #BB3D3D #3DBB3D

tetradic

#3D3DBB #BB3D7C #BBBB3D #3DBB7C

square

#3D3DBB #BB3D7C #BBBB3D #3DBB7C

split-complementary

#3D3DBB #BB7C3D #7CBB3D

monochromatic

#1F1F5F #2E2E8D #3D3DBB #6868CE #9696DD

Accessibility & contrast

On white

8.13

#3D3DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3D3DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3DBB

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3DBB	#FFFFFF	#000000	##FFFFFF
##3D3DBB	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3d3dbb;
/* rgb */ color: rgb(61, 61, 187);
/* oklch */ color: oklch(44.6% 0.192 275.3);

Tailwind

colors: {
  custom: {
    50: '#8373d1',
    500: '#3d3dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3d3dbb;
$custom-light: #8373d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3dbb",
  "rgb": {
    "r": 61,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.446,
    "c": 0.19198,
    "h": 275.3
  },
  "luminance": 0.07917
}

Semantic roles & 50–950 ramp

primary

#3D3DBB

secondary

#C8C88C

accent

#DA4EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3D3DBB

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

Preview Lab → · Contrast checker → · Palette generator →