#3A3DB7#3A3DB7

#3A3DB7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.188 H 274.5°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DB7
RGB	rgb(58, 61, 183)
HSL	hsl(239, 52%, 47%)
HSV	hsv(239, 68%, 72%)
CMYK	cmyk(68.3%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(33.25, 38.24, -64.76)
CIE-LCH	lch(33.25, 75.20, 300.56°)
OKLab	oklab(44.04% 0.0146 -0.187)
OKLCH	oklch(44.04% 0.188 274.5)
XYZ	xyz(11.9581, 7.6548, 45.6379)
Luminance	0.0766 (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

#3A3DB7 #B7B43A

analogous

#3A7CB7 #3A3DB7 #763AB7

triadic

#3A3DB7 #B73A3D #3DB73A

tetradic

#3A3DB7 #B73A7C #B7B43A #3AB776

square

#3A3DB7 #B73A7C #B7B43A #3AB776

split-complementary

#3A3DB7 #B7763A #7CB73A

monochromatic

#1D1E5A #2B2E89 #3A3DB7 #6164CD #9092DC

Accessibility & contrast

On white

8.30

#3A3DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3A3DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DB7

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DB7	#FFFFFF	#000000	##FFFFFF
##3A3DB7	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3a3db7;
/* rgb */ color: rgb(58, 61, 183);
/* oklch */ color: oklch(44.0% 0.188 274.5);

Tailwind

colors: {
  custom: {
    50: '#8173ce',
    500: '#3a3db7',
    950: '#000000',
  },
}

SCSS

$custom: #3a3db7;
$custom-light: #8173ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3db7",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 238.56,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44036,
    "c": 0.18756,
    "h": 274.5
  },
  "luminance": 0.07656
}

Semantic roles & 50–950 ramp

primary

#3A3DB7

secondary

#C7C586

accent

#D84CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A3DB7

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

Preview Lab → · Contrast checker → · Palette generator →