#3A28A9#3A28A9

#3A28A9 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.5% C 0.193 H 279.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#3A28A9
RGB	rgb(58, 40, 169)
HSL	hsl(248, 62%, 41%)
HSV	hsv(248, 76%, 66%)
CMYK	cmyk(65.7%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(27.52, 45.77, -65.82)
CIE-LCH	lch(27.52, 80.17, 304.81°)
OKLab	oklab(39.53% 0.0309 -0.19)
OKLCH	oklch(39.53% 0.193 279.2)
XYZ	xyz(9.6629, 5.2809, 38.0385)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A28A9 #97A928

analogous

#2856A9 #3A28A9 #7A28A9

triadic

#3A28A9 #A93A28 #28A93A

tetradic

#3A28A9 #A92856 #97A928 #28A97A

square

#3A28A9 #A92856 #97A928 #28A97A

split-complementary

#3A28A9 #A97A28 #56A928

monochromatic

#181146 #291C78 #3A28A9 #523DD1 #7E6FDD

Accessibility & contrast

On white

10.21

#3A28A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3A28A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A28A9

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A28A9	#FFFFFF	#000000	##FFFFFF
##3A28A9	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#003CA7

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a28a9;
/* rgb */ color: rgb(58, 40, 169);
/* oklch */ color: oklch(39.5% 0.193 279.2);

Tailwind

colors: {
  custom: {
    50: '#7f65c4',
    500: '#3a28a9',
    950: '#000000',
  },
}

SCSS

$custom: #3a28a9;
$custom-light: #7f65c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a28a9",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 248.372,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39529,
    "c": 0.19254,
    "h": 279.2
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#3A28A9

secondary

#B7C469

accent

#E543CE

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3A28A9

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

Preview Lab → · Contrast checker → · Palette generator →