#3A3CA4#3A3CA4

#3A3CA4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.164 H 276.0°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CA4
RGB	rgb(58, 60, 164)
HSL	hsl(239, 48%, 44%)
HSV	hsv(239, 65%, 64%)
CMYK	cmyk(64.6%, 63.4%, 0%, 35.7%)
CIE-LAB	lab(31.37, 32.32, -56.49)
CIE-LCH	lch(31.37, 65.08, 299.77°)
OKLab	oklab(42.16% 0.017 -0.1628)
OKLCH	oklch(42.16% 0.164 276)
XYZ	xyz(10.0594, 6.8108, 35.8993)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3CA4 #A4A23A

analogous

#3A71A4 #3A3CA4 #6D3AA4

triadic

#3A3CA4 #A43A3C #3CA43A

tetradic

#3A3CA4 #A43A71 #A4A23A #3AA46D

square

#3A3CA4 #A43A71 #A4A23A #3AA46D

split-complementary

#3A3CA4 #A46D3A #71A43A

monochromatic

#1A1B4A #2A2B77 #3A3CA4 #5759C4 #8586D4

Accessibility & contrast

On white

8.89

#3A3CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3A3CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CA4

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CA4	#FFFFFF	#000000	##FFFFFF
##3A3CA4	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a3ca4;
/* rgb */ color: rgb(58, 60, 164);
/* oklch */ color: oklch(42.2% 0.164 276.0);

Tailwind

colors: {
  custom: {
    50: '#7d72c0',
    500: '#3a3ca4',
    950: '#000000',
  },
}

SCSS

$custom: #3a3ca4;
$custom-light: #7d72c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3ca4",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 164
  },
  "hsl": {
    "h": 238.868,
    "s": 47.748,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42156,
    "c": 0.16364,
    "h": 276
  },
  "luminance": 0.06812
}

Semantic roles & 50–950 ramp

primary

#3A3CA4

secondary

#BEBC7C

accent

#D550D7

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3A3CA4

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

Preview Lab → · Contrast checker → · Palette generator →