#3B3BAB#3B3BAB

#3B3BAB is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.174 H 276.1°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BAB
RGB	rgb(59, 59, 171)
HSL	hsl(240, 49%, 45%)
HSV	hsv(240, 65%, 67%)
CMYK	cmyk(65.5%, 65.5%, 0%, 32.9%)
CIE-LAB	lab(31.80, 35.51, -59.99)
CIE-LCH	lch(31.80, 69.71, 300.62°)
OKLab	oklab(42.67% 0.0185 -0.173)
OKLCH	oklch(42.67% 0.174 276.1)
XYZ	xyz(10.7159, 6.9971, 39.3060)
Luminance	0.0700 (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

#3B3BAB #ABAB3B

analogous

#3B73AB #3B3BAB #733BAB

triadic

#3B3BAB #AB3B3B #3BAB3B

tetradic

#3B3BAB #AB3B73 #ABAB3B #3BAB73

square

#3B3BAB #AB3B73 #ABAB3B #3BAB73

split-complementary

#3B3BAB #AB733B #73AB3B

monochromatic

#1C1C50 #2B2B7D #3B3BAB #5C5CC7 #8A8AD7

Accessibility & contrast

On white

8.75

#3B3BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3B3BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BAB

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BAB	#FFFFFF	#000000	##FFFFFF
##3B3BAB	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3b3bab;
/* rgb */ color: rgb(59, 59, 171);
/* oklch */ color: oklch(42.7% 0.174 276.1);

Tailwind

colors: {
  custom: {
    50: '#7f71c5',
    500: '#3b3bab',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bab;
$custom-light: #7f71c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bab",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 171
  },
  "hsl": {
    "h": 240,
    "s": 48.696,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42672,
    "c": 0.174,
    "h": 276.1
  },
  "luminance": 0.06998
}

Semantic roles & 50–950 ramp

primary

#3B3BAB

secondary

#C1C181

accent

#D850D8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B3BAB

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

Preview Lab → · Contrast checker → · Palette generator →