#3A3FB2#3A3FB2

#3A3FB2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.179 H 274.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB2
RGB	rgb(58, 63, 178)
HSL	hsl(238, 51%, 46%)
HSV	hsv(238, 67%, 70%)
CMYK	cmyk(67.4%, 64.6%, 0%, 30.2%)
CIE-LAB	lab(33.28, 35.28, -61.75)
CIE-LCH	lch(33.28, 71.11, 299.74°)
OKLab	oklab(43.92% 0.0136 -0.1782)
OKLCH	oklch(43.92% 0.179 274.4)
XYZ	xyz(11.5556, 7.6679, 42.9819)
Luminance	0.0767 (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

#3A3FB2 #B2AD3A

analogous

#3A7BB2 #3A3FB2 #713AB2

triadic

#3A3FB2 #B23A3F #3FB23A

tetradic

#3A3FB2 #B23A7B #B2AD3A #3AB271

square

#3A3FB2 #B23A7B #B2AD3A #3AB271

split-complementary

#3A3FB2 #B2713A #7BB23A

monochromatic

#1C1E56 #2B2F84 #3A3FB2 #5F63CB #8D90DA

Accessibility & contrast

On white

8.29

#3A3FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3A3FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB2

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB2	#FFFFFF	#000000	##FFFFFF
##3A3FB2	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3fb2;
/* rgb */ color: rgb(58, 63, 178);
/* oklch */ color: oklch(43.9% 0.179 274.4);

Tailwind

colors: {
  custom: {
    50: '#7f74ca',
    500: '#3a3fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb2;
$custom-light: #7f74ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb2",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 178
  },
  "hsl": {
    "h": 237.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43922,
    "c": 0.17868,
    "h": 274.4
  },
  "luminance": 0.07669
}

Semantic roles & 50–950 ramp

primary

#3A3FB2

secondary

#C4C283

accent

#D44DDA

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3FB2

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

Preview Lab → · Contrast checker → · Palette generator →