#3A3BB9#3A3BB9

#3A3BB9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.192 H 274.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A3BB9
RGB	rgb(58, 59, 185)
HSL	hsl(240, 52%, 48%)
HSV	hsv(240, 69%, 73%)
CMYK	cmyk(68.6%, 68.1%, 0%, 27.5%)
CIE-LAB	lab(32.98, 40.14, -66.38)
CIE-LCH	lch(32.98, 77.58, 301.16°)
OKLab	oklab(43.9% 0.0158 -0.1918)
OKLCH	oklch(43.9% 0.192 274.7)
XYZ	xyz(12.0629, 7.5291, 46.7071)
Luminance	0.0753 (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

#3A3BB9 #B9B83A

analogous

#3A7AB9 #3A3BB9 #793AB9

triadic

#3A3BB9 #B93A3B #3BB93A

tetradic

#3A3BB9 #B93A7A #B9B83A #3AB979

square

#3A3BB9 #B93A7A #B9B83A #3AB979

split-complementary

#3A3BB9 #B9793A #7AB93A

monochromatic

#1D1D5C #2B2C8A #3A3BB9 #6263CE #9192DC

Accessibility & contrast

On white

8.38

#3A3BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3A3BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3BB9

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3BB9	#FFFFFF	#000000	##FFFFFF
##3A3BB9	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3bb9;
/* rgb */ color: rgb(58, 59, 185);
/* oklch */ color: oklch(43.9% 0.192 274.7);

Tailwind

colors: {
  custom: {
    50: '#8172cf',
    500: '#3a3bb9',
    950: '#000000',
  },
}

SCSS

$custom: #3a3bb9;
$custom-light: #8172cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3bb9",
  "rgb": {
    "r": 58,
    "g": 59,
    "b": 185
  },
  "hsl": {
    "h": 239.528,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43895,
    "c": 0.19241,
    "h": 274.7
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#3A3BB9

secondary

#C7C787

accent

#DB4CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3BB9

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

Preview Lab → · Contrast checker → · Palette generator →