#3A3DB3#3A3DB3

#3A3DB3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.182 H 274.7°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3A3DB3
RGB	rgb(58, 61, 179)
HSL	hsl(239, 51%, 46%)
HSV	hsv(239, 68%, 70%)
CMYK	cmyk(67.6%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(32.90, 36.87, -62.97)
CIE-LCH	lch(32.90, 72.97, 300.35°)
OKLab	oklab(43.67% 0.015 -0.1817)
OKLCH	oklch(43.67% 0.182 274.7)
XYZ	xyz(11.5477, 7.4907, 43.4764)
Luminance	0.0749 (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

#3A3DB3 #B3B03A

analogous

#3A7AB3 #3A3DB3 #743AB3

triadic

#3A3DB3 #B33A3D #3DB33A

tetradic

#3A3DB3 #B33A7A #B3B03A #3AB374

square

#3A3DB3 #B33A7A #B3B03A #3AB374

split-complementary

#3A3DB3 #B3743A #7AB33A

monochromatic

#1C1D57 #2B2D85 #3A3DB3 #5F62CB #8D8FDA

Accessibility & contrast

On white

8.41

#3A3DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3A3DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3DB3

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3DB3	#FFFFFF	#000000	##FFFFFF
##3A3DB3	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a3db3;
/* rgb */ color: rgb(58, 61, 179);
/* oklch */ color: oklch(43.7% 0.182 274.7);

Tailwind

colors: {
  custom: {
    50: '#8073cb',
    500: '#3a3db3',
    950: '#000000',
  },
}

SCSS

$custom: #3a3db3;
$custom-light: #8073cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3db3",
  "rgb": {
    "r": 58,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 238.512,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4367,
    "c": 0.18237,
    "h": 274.7
  },
  "luminance": 0.07492
}

Semantic roles & 50–950 ramp

primary

#3A3DB3

secondary

#C5C384

accent

#D74DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3A3DB3

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

Preview Lab → · Contrast checker → · Palette generator →