#3A3CB3#3A3CB3

#3A3CB3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.184 H 274.9°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB3
RGB	rgb(58, 60, 179)
HSL	hsl(239, 51%, 46%)
HSV	hsv(239, 68%, 70%)
CMYK	cmyk(67.6%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(32.67, 37.49, -63.34)
CIE-LCH	lch(32.67, 73.61, 300.62°)
OKLab	oklab(43.5% 0.0158 -0.1829)
OKLCH	oklch(43.5% 0.184 274.9)
XYZ	xyz(11.4948, 7.3849, 43.4587)
Luminance	0.0739 (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

#3A3CB3 #B3B13A

analogous

#3A79B3 #3A3CB3 #753AB3

triadic

#3A3CB3 #B33A3C #3CB33A

tetradic

#3A3CB3 #B33A79 #B3B13A #3AB375

square

#3A3CB3 #B33A79 #B3B13A #3AB375

split-complementary

#3A3CB3 #B3753A #79B33A

monochromatic

#1C1D57 #2B2D85 #3A3CB3 #5F61CB #8D8FDA

Accessibility & contrast

On white

8.48

#3A3CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3A3CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB3

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB3	#FFFFFF	#000000	##FFFFFF
##3A3CB3	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3cb3;
/* rgb */ color: rgb(58, 60, 179);
/* oklch */ color: oklch(43.5% 0.184 274.9);

Tailwind

colors: {
  custom: {
    50: '#8072cb',
    500: '#3a3cb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb3;
$custom-light: #8072cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb3",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 239.008,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43501,
    "c": 0.18354,
    "h": 274.9
  },
  "luminance": 0.07386
}

Semantic roles & 50–950 ramp

primary

#3A3CB3

secondary

#C5C484

accent

#D84DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3CB3

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

Preview Lab → · Contrast checker → · Palette generator →