#3A3CB8#3A3CB8

#3A3CB8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.190 H 274.6°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3A3CB8
RGB	rgb(58, 60, 184)
HSL	hsl(239, 52%, 47%)
HSV	hsv(239, 68%, 72%)
CMYK	cmyk(68.5%, 67.4%, 0%, 27.8%)
CIE-LAB	lab(33.12, 39.19, -65.57)
CIE-LCH	lch(33.12, 76.39, 300.87°)
OKLab	oklab(43.96% 0.0152 -0.1894)
OKLCH	oklch(43.96% 0.19 274.6)
XYZ	xyz(12.0096, 7.5908, 46.1704)
Luminance	0.0759 (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

#3A3CB8 #B8B63A

analogous

#3A7BB8 #3A3CB8 #773AB8

triadic

#3A3CB8 #B83A3C #3CB83A

tetradic

#3A3CB8 #B83A7B #B8B63A #3AB877

square

#3A3CB8 #B83A7B #B8B63A #3AB877

split-complementary

#3A3CB8 #B8773A #7BB83A

monochromatic

#1D1E5B #2B2D89 #3A3CB8 #6263CD #9091DC

Accessibility & contrast

On white

8.34

#3A3CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3A3CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3CB8

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3CB8	#FFFFFF	#000000	##FFFFFF
##3A3CB8	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3cb8;
/* rgb */ color: rgb(58, 60, 184);
/* oklch */ color: oklch(44.0% 0.190 274.6);

Tailwind

colors: {
  custom: {
    50: '#8172ce',
    500: '#3a3cb8',
    950: '#000000',
  },
}

SCSS

$custom: #3a3cb8;
$custom-light: #8172ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3cb8",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 184
  },
  "hsl": {
    "h": 239.048,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43964,
    "c": 0.19,
    "h": 274.6
  },
  "luminance": 0.07592
}

Semantic roles & 50–950 ramp

primary

#3A3CB8

secondary

#C7C687

accent

#D94CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3CB8

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

Preview Lab → · Contrast checker → · Palette generator →