#3A3CB4#3A3CB4

#3A3CB4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.185 H 274.9°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB4
RGB	rgb(58, 60, 180)
HSL	hsl(239, 51%, 47%)
HSV	hsv(239, 68%, 71%)
CMYK	cmyk(67.8%, 66.7%, 0%, 29.4%)
CIE-LAB	lab(32.76, 37.83, -63.79)
CIE-LCH	lch(32.76, 74.17, 300.67°)
OKLab	oklab(43.59% 0.0157 -0.1842)
OKLCH	oklch(43.59% 0.185 274.9)
XYZ	xyz(11.5963, 7.4255, 43.9933)
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

#3A3CB4 #B4B23A

analogous

#3A79B4 #3A3CB4 #753AB4

triadic

#3A3CB4 #B43A3C #3CB43A

tetradic

#3A3CB4 #B43A79 #B4B23A #3AB475

square

#3A3CB4 #B43A79 #B4B23A #3AB475

split-complementary

#3A3CB4 #B4753A #79B43A

monochromatic

#1C1D57 #2B2D86 #3A3CB4 #6061CC #8E8FDB

Accessibility & contrast

On white

8.45

#3A3CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A3CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB4

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB4	#FFFFFF	#000000	##FFFFFF
##3A3CB4	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)

#0053B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3cb4;
/* rgb */ color: rgb(58, 60, 180);
/* oklch */ color: oklch(43.6% 0.185 274.9);

Tailwind

colors: {
  custom: {
    50: '#8072cb',
    500: '#3a3cb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb4;
$custom-light: #8072cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb4",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 180
  },
  "hsl": {
    "h": 239.016,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43593,
    "c": 0.18483,
    "h": 274.9
  },
  "luminance": 0.07427
}

Semantic roles & 50–950 ramp

primary

#3A3CB4

secondary

#C5C485

accent

#D84DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3A3CB4

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

Preview Lab → · Contrast checker → · Palette generator →