#3A3DB8#3A3DB8

#3A3DB8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.189 H 274.4°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DB8
RGB	rgb(58, 61, 184)
HSL	hsl(239, 52%, 47%)
HSV	hsv(239, 68%, 72%)
CMYK	cmyk(68.5%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(33.34, 38.58, -65.20)
CIE-LCH	lch(33.34, 75.76, 300.62°)
OKLab	oklab(44.13% 0.0145 -0.1883)
OKLCH	oklch(44.13% 0.189 274.4)
XYZ	xyz(12.0625, 7.6966, 46.1880)
Luminance	0.0770 (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

#3A3DB8 #B8B53A

analogous

#3A7CB8 #3A3DB8 #763AB8

triadic

#3A3DB8 #B83A3D #3DB83A

tetradic

#3A3DB8 #B83A7C #B8B53A #3AB876

square

#3A3DB8 #B83A7C #B8B53A #3AB876

split-complementary

#3A3DB8 #B8763A #7CB83A

monochromatic

#1D1E5B #2B2E89 #3A3DB8 #6264CD #9092DC

Accessibility & contrast

On white

8.27

#3A3DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3A3DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DB8

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DB8	#FFFFFF	#000000	##FFFFFF
##3A3DB8	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3db8;
/* rgb */ color: rgb(58, 61, 184);
/* oklch */ color: oklch(44.1% 0.189 274.4);

Tailwind

colors: {
  custom: {
    50: '#8173ce',
    500: '#3a3db8',
    950: '#000000',
  },
}

SCSS

$custom: #3a3db8;
$custom-light: #8173ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3db8",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 238.571,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44129,
    "c": 0.18885,
    "h": 274.4
  },
  "luminance": 0.07698
}

Semantic roles & 50–950 ramp

primary

#3A3DB8

secondary

#C7C587

accent

#D84CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3DB8

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

Preview Lab → · Contrast checker → · Palette generator →