#3A3FB3#3A3FB3

#3A3FB3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.180 H 274.3°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB3
RGB	rgb(58, 63, 179)
HSL	hsl(238, 51%, 46%)
HSV	hsv(238, 68%, 70%)
CMYK	cmyk(67.6%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(33.37, 35.62, -62.20)
CIE-LCH	lch(33.37, 71.68, 299.80°)
OKLab	oklab(44.01% 0.0135 -0.1795)
OKLCH	oklch(44.01% 0.18 274.3)
XYZ	xyz(11.6564, 7.7082, 43.5126)
Luminance	0.0771 (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

#3A3FB3 #B3AE3A

analogous

#3A7CB3 #3A3FB3 #723AB3

triadic

#3A3FB3 #B33A3F #3FB33A

tetradic

#3A3FB3 #B33A7C #B3AE3A #3AB372

square

#3A3FB3 #B33A7C #B3AE3A #3AB372

split-complementary

#3A3FB3 #B3723A #7CB33A

monochromatic

#1C1E57 #2B2F85 #3A3FB3 #5F64CB #8D90DA

Accessibility & contrast

On white

8.26

#3A3FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3A3FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB3

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB3	#FFFFFF	#000000	##FFFFFF
##3A3FB3	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3fb3;
/* rgb */ color: rgb(58, 63, 179);
/* oklch */ color: oklch(44.0% 0.180 274.3);

Tailwind

colors: {
  custom: {
    50: '#8074cb',
    500: '#3a3fb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb3;
$custom-light: #8074cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb3",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 237.521,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44011,
    "c": 0.18,
    "h": 274.3
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#3A3FB3

secondary

#C5C284

accent

#D54DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3FB3

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

Preview Lab → · Contrast checker → · Palette generator →