#3A3BB0#3A3BB0

#3A3BB0 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.181 H 275.3°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A3BB0
RGB	rgb(58, 59, 176)
HSL	hsl(239, 50%, 46%)
HSV	hsv(239, 67%, 69%)
CMYK	cmyk(67%, 66.5%, 0%, 31%)
CIE-LAB	lab(32.17, 37.08, -62.37)
CIE-LCH	lch(32.17, 72.56, 300.73°)
OKLab	oklab(43.06% 0.0168 -0.18)
OKLCH	oklch(43.06% 0.181 275.3)
XYZ	xyz(11.1428, 7.1611, 41.8609)
Luminance	0.0716 (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

#3A3BB0 #B0AF3A

analogous

#3A76B0 #3A3BB0 #743AB0

triadic

#3A3BB0 #B03A3B #3BB03A

tetradic

#3A3BB0 #B03A76 #B0AF3A #3AB074

square

#3A3BB0 #B03A76 #B0AF3A #3AB074

split-complementary

#3A3BB0 #B0743A #76B03A

monochromatic

#1C1C54 #2B2C82 #3A3BB0 #5D5ECA #8B8CD9

Accessibility & contrast

On white

8.63

#3A3BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3A3BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3BB0

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3BB0	#FFFFFF	#000000	##FFFFFF
##3A3BB0	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a3bb0;
/* rgb */ color: rgb(58, 59, 176);
/* oklch */ color: oklch(43.1% 0.181 275.3);

Tailwind

colors: {
  custom: {
    50: '#7f71c9',
    500: '#3a3bb0',
    950: '#000000',
  },
}

SCSS

$custom: #3a3bb0;
$custom-light: #7f71c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3bb0",
  "rgb": {
    "r": 58,
    "g": 59,
    "b": 176
  },
  "hsl": {
    "h": 239.492,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43059,
    "c": 0.1808,
    "h": 275.3
  },
  "luminance": 0.07162
}

Semantic roles & 50–950 ramp

primary

#3A3BB0

secondary

#C3C382

accent

#D94EDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3BB0

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

Preview Lab → · Contrast checker → · Palette generator →