#3A3CA6#3A3CA6

#3A3CA6 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.166 H 275.8°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CA6
RGB	rgb(58, 60, 166)
HSL	hsl(239, 48%, 44%)
HSV	hsv(239, 65%, 65%)
CMYK	cmyk(65.1%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(31.54, 33.01, -57.42)
CIE-LCH	lch(31.54, 66.23, 299.90°)
OKLab	oklab(42.33% 0.0169 -0.1655)
OKLCH	oklch(42.33% 0.166 275.8)
XYZ	xyz(10.2415, 6.8836, 36.8580)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3CA6 #A6A43A

analogous

#3A72A6 #3A3CA6 #6E3AA6

triadic

#3A3CA6 #A63A3C #3CA63A

tetradic

#3A3CA6 #A63A72 #A6A43A #3AA66E

square

#3A3CA6 #A63A72 #A6A43A #3AA66E

split-complementary

#3A3CA6 #A66E3A #72A63A

monochromatic

#1A1B4B #2A2C79 #3A3CA6 #585AC5 #8687D5

Accessibility & contrast

On white

8.84

#3A3CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3A3CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CA6

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CA6	#FFFFFF	#000000	##FFFFFF
##3A3CA6	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a3ca6;
/* rgb */ color: rgb(58, 60, 166);
/* oklch */ color: oklch(42.3% 0.166 275.8);

Tailwind

colors: {
  custom: {
    50: '#7d72c1',
    500: '#3a3ca6',
    950: '#000000',
  },
}

SCSS

$custom: #3a3ca6;
$custom-light: #7d72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3ca6",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 238.889,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42331,
    "c": 0.16635,
    "h": 275.8
  },
  "luminance": 0.06884
}

Semantic roles & 50–950 ramp

primary

#3A3CA6

secondary

#BFBD7D

accent

#D550D8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3A3CA6

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

Preview Lab → · Contrast checker → · Palette generator →