#3A3FB8#3A3FB8

#3A3FB8 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.187 H 274.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FB8
RGB	rgb(58, 63, 184)
HSL	hsl(238, 52%, 47%)
HSV	hsv(238, 68%, 72%)
CMYK	cmyk(68.5%, 65.8%, 0%, 27.8%)
CIE-LAB	lab(33.80, 37.35, -64.45)
CIE-LCH	lch(33.80, 74.49, 300.10°)
OKLab	oklab(44.46% 0.0131 -0.1861)
OKLCH	oklch(44.46% 0.187 274)
XYZ	xyz(12.1713, 7.9141, 46.2243)
Luminance	0.0791 (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

#3A3FB8 #B8B33A

analogous

#3A7EB8 #3A3FB8 #743AB8

triadic

#3A3FB8 #B83A3F #3FB83A

tetradic

#3A3FB8 #B83A7E #B8B33A #3AB874

square

#3A3FB8 #B83A7E #B8B33A #3AB874

split-complementary

#3A3FB8 #B8743A #7EB83A

monochromatic

#1D1F5B #2B2F89 #3A3FB8 #6266CD #9093DC

Accessibility & contrast

On white

8.13

#3A3FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3A3FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FB8

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FB8	#FFFFFF	#000000	##FFFFFF
##3A3FB8	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#004AB6

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3a3fb8;
/* rgb */ color: rgb(58, 63, 184);
/* oklch */ color: oklch(44.5% 0.187 274.0);

Tailwind

colors: {
  custom: {
    50: '#8174ce',
    500: '#3a3fb8',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fb8;
$custom-light: #8174ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fb8",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 184
  },
  "hsl": {
    "h": 237.619,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44464,
    "c": 0.18654,
    "h": 274
  },
  "luminance": 0.07915
}

Semantic roles & 50–950 ramp

primary

#3A3FB8

secondary

#C7C487

accent

#D64CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3FB8

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

Preview Lab → · Contrast checker → · Palette generator →