#3B28A6#3B28A6

#3B28A6 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.189 H 280.1°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B28A6
RGB	rgb(59, 40, 166)
HSL	hsl(249, 61%, 40%)
HSV	hsv(249, 76%, 65%)
CMYK	cmyk(64.5%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(27.30, 44.95, -64.38)
CIE-LCH	lch(27.30, 78.52, 304.93°)
OKLab	oklab(39.3% 0.033 -0.1858)
OKLCH	oklch(39.3% 0.189 280.1)
XYZ	xyz(9.4432, 5.1998, 36.5750)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28A6 #93A628

analogous

#2854A6 #3B28A6 #7A28A6

triadic

#3B28A6 #A63B28 #28A63B

tetradic

#3B28A6 #A62854 #93A628 #28A67A

square

#3B28A6 #A62854 #93A628 #28A67A

split-complementary

#3B28A6 #A67A28 #54A628

monochromatic

#181043 #291C75 #3B28A6 #523BD0 #7D6DDC

Accessibility & contrast

On white

10.29

#3B28A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3B28A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28A6

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28A6	#FFFFFF	#000000	##FFFFFF
##3B28A6	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#003CA4

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3b28a6;
/* rgb */ color: rgb(59, 40, 166);
/* oklch */ color: oklch(39.3% 0.189 280.1);

Tailwind

colors: {
  custom: {
    50: '#7f65c2',
    500: '#3b28a6',
    950: '#000000',
  },
}

SCSS

$custom: #3b28a6;
$custom-light: #7f65c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28a6",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 249.048,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.393,
    "c": 0.18872,
    "h": 280.1
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#3B28A6

secondary

#B5C267

accent

#E444CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3B28A6

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

Preview Lab → · Contrast checker → · Palette generator →