#3B3FAC#3B3FAC

#3B3FAC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.170 H 275.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FAC
RGB	rgb(59, 63, 172)
HSL	hsl(238, 49%, 45%)
HSV	hsv(238, 66%, 67%)
CMYK	cmyk(65.7%, 63.4%, 0%, 32.5%)
CIE-LAB	lab(32.84, 33.34, -58.90)
CIE-LCH	lch(32.84, 67.68, 299.52°)
OKLab	oklab(43.46% 0.0152 -0.1698)
OKLCH	oklch(43.46% 0.17 275.1)
XYZ	xyz(11.0251, 7.4624, 39.8811)
Luminance	0.0746 (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

#3B3FAC #ACA83B

analogous

#3B77AC #3B3FAC #6F3BAC

triadic

#3B3FAC #AC3B3F #3FAC3B

tetradic

#3B3FAC #AC3B77 #ACA83B #3BAC6F

square

#3B3FAC #AC3B77 #ACA83B #3BAC6F

split-complementary

#3B3FAC #AC6F3B #77AC3B

monochromatic

#1C1E51 #2B2E7E #3B3FAC #5D61C7 #8A8DD7

Accessibility & contrast

On white

8.42

#3B3FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3B3FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FAC

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FAC	#FFFFFF	#000000	##FFFFFF
##3B3FAC	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b3fac;
/* rgb */ color: rgb(59, 63, 172);
/* oklch */ color: oklch(43.5% 0.170 275.1);

Tailwind

colors: {
  custom: {
    50: '#7f74c6',
    500: '#3b3fac',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fac;
$custom-light: #7f74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fac",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 172
  },
  "hsl": {
    "h": 237.876,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43456,
    "c": 0.17045,
    "h": 275.1
  },
  "luminance": 0.07463
}

Semantic roles & 50–950 ramp

primary

#3B3FAC

secondary

#C1BF81

accent

#D44FD8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B3FAC

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

Preview Lab → · Contrast checker → · Palette generator →