#3A3FAC#3A3FAC

#3A3FAC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.171 H 274.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FAC
RGB	rgb(58, 63, 172)
HSL	hsl(237, 50%, 45%)
HSV	hsv(237, 66%, 67%)
CMYK	cmyk(66.3%, 63.4%, 0%, 32.5%)
CIE-LAB	lab(32.77, 33.19, -59.01)
CIE-LCH	lch(32.77, 67.70, 299.36°)
OKLab	oklab(43.39% 0.014 -0.1701)
OKLCH	oklch(43.39% 0.171 274.7)
XYZ	xyz(10.9664, 7.4322, 39.8784)
Luminance	0.0743 (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

#3A3FAC #ACA73A

analogous

#3A78AC #3A3FAC #6E3AAC

triadic

#3A3FAC #AC3A3F #3FAC3A

tetradic

#3A3FAC #AC3A78 #ACA73A #3AAC6E

square

#3A3FAC #AC3A78 #ACA73A #3AAC6E

split-complementary

#3A3FAC #AC6E3A #78AC3A

monochromatic

#1B1D50 #2B2E7E #3A3FAC #5B60C8 #898DD7

Accessibility & contrast

On white

8.45

#3A3FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A3FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FAC

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FAC	#FFFFFF	#000000	##FFFFFF
##3A3FAC	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	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: #3a3fac;
/* rgb */ color: rgb(58, 63, 172);
/* oklch */ color: oklch(43.4% 0.171 274.7);

Tailwind

colors: {
  custom: {
    50: '#7e74c6',
    500: '#3a3fac',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fac;
$custom-light: #7e74c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fac",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 172
  },
  "hsl": {
    "h": 237.368,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4339,
    "c": 0.17071,
    "h": 274.7
  },
  "luminance": 0.07433
}

Semantic roles & 50–950 ramp

primary

#3A3FAC

secondary

#C2BF80

accent

#D34FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3FAC

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

Preview Lab → · Contrast checker → · Palette generator →