#3B3FBC#3B3FBC

#3B3FBC is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.191 H 274.2°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FBC
RGB	rgb(59, 63, 188)
HSL	hsl(238, 52%, 48%)
HSV	hsv(238, 69%, 74%)
CMYK	cmyk(68.6%, 66.5%, 0%, 26.3%)
CIE-LAB	lab(34.22, 38.85, -66.12)
CIE-LCH	lch(34.22, 76.69, 300.44°)
OKLab	oklab(44.89% 0.0139 -0.1909)
OKLCH	oklch(44.89% 0.191 274.2)
XYZ	xyz(12.6552, 8.1145, 48.4665)
Luminance	0.0812 (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

#3B3FBC #BCB83B

analogous

#3B7FBC #3B3FBC #783BBC

triadic

#3B3FBC #BC3B3F #3FBC3B

tetradic

#3B3FBC #BC3B7F #BCB83B #3BBC78

square

#3B3FBC #BC3B7F #BCB83B #3BBC78

split-complementary

#3B3FBC #BC783B #7FBC3B

monochromatic

#1E205F #2C2F8D #3B3FBC #6569CF #9496DD

Accessibility & contrast

On white

8.01

#3B3FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3B3FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FBC

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FBC	#FFFFFF	#000000	##FFFFFF
##3B3FBC	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b3fbc;
/* rgb */ color: rgb(59, 63, 188);
/* oklch */ color: oklch(44.9% 0.191 274.2);

Tailwind

colors: {
  custom: {
    50: '#8274d1',
    500: '#3b3fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fbc;
$custom-light: #8274d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fbc",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 238.14,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44892,
    "c": 0.19146,
    "h": 274.2
  },
  "luminance": 0.08116
}

Semantic roles & 50–950 ramp

primary

#3B3FBC

secondary

#C9C78A

accent

#D74CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3B3FBC

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

Preview Lab → · Contrast checker → · Palette generator →