#3B3DB2#3B3DB2

#3B3DB2 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.181 H 275.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B3DB2
RGB	rgb(59, 61, 178)
HSL	hsl(239, 50%, 46%)
HSV	hsv(239, 67%, 70%)
CMYK	cmyk(66.9%, 65.7%, 0%, 30.2%)
CIE-LAB	lab(32.88, 36.66, -62.41)
CIE-LCH	lch(32.88, 72.38, 300.43°)
OKLab	oklab(43.64% 0.0163 -0.1801)
OKLCH	oklch(43.64% 0.181 275.2)
XYZ	xyz(11.5056, 7.4806, 42.9484)
Luminance	0.0748 (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

#3B3DB2 #B2B03B

analogous

#3B79B2 #3B3DB2 #753BB2

triadic

#3B3DB2 #B23B3D #3DB23B

tetradic

#3B3DB2 #B23B79 #B2B03B #3BB275

square

#3B3DB2 #B23B79 #B2B03B #3BB275

split-complementary

#3B3DB2 #B2753B #79B23B

monochromatic

#1D1D56 #2C2D84 #3B3DB2 #6062CA #8E8FDA

Accessibility & contrast

On white

8.41

#3B3DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3B3DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3DB2

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3DB2	#FFFFFF	#000000	##FFFFFF
##3B3DB2	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b3db2;
/* rgb */ color: rgb(59, 61, 178);
/* oklch */ color: oklch(43.6% 0.181 275.2);

Tailwind

colors: {
  custom: {
    50: '#8073ca',
    500: '#3b3db2',
    950: '#000000',
  },
}

SCSS

$custom: #3b3db2;
$custom-light: #8073ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3db2",
  "rgb": {
    "r": 59,
    "g": 61,
    "b": 178
  },
  "hsl": {
    "h": 238.992,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43644,
    "c": 0.18082,
    "h": 275.2
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#3B3DB2

secondary

#C4C385

accent

#D74EDA

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B3DB2

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

Preview Lab → · Contrast checker → · Palette generator →