#3B28BC#3B28BC

#3B28BC is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.6% C 0.215 H 277.3°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#3B28BC
RGB	rgb(59, 40, 188)
HSL	hsl(248, 65%, 45%)
HSV	hsv(248, 79%, 74%)
CMYK	cmyk(68.6%, 78.7%, 0%, 26.3%)
CIE-LAB	lab(29.61, 51.70, -73.72)
CIE-LCH	lch(29.61, 90.04, 305.04°)
OKLab	oklab(41.61% 0.0274 -0.213)
OKLCH	oklch(41.61% 0.215 277.3)
XYZ	xyz(11.6366, 6.0772, 48.1270)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28BC #A9BC28

analogous

#285FBC #3B28BC #8528BC

triadic

#3B28BC #BC3B28 #28BC3B

tetradic

#3B28BC #BC285F #A9BC28 #28BC85

square

#3B28BC #BC285F #A9BC28 #28BC85

split-complementary

#3B28BC #BC8528 #5FBC28

monochromatic

#1B1357 #2B1D8A #3B28BC #5B49D8 #897BE3

Accessibility & contrast

On white

9.48

#3B28BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3B28BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28BC

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28BC	#FFFFFF	#000000	##FFFFFF
##3B28BC	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CC0

Deuteranopia (green-blind)

#003FB9

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3b28bc;
/* rgb */ color: rgb(59, 40, 188);
/* oklch */ color: oklch(41.6% 0.215 277.3);

Tailwind

colors: {
  custom: {
    50: '#8466d2',
    500: '#3b28bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b28bc;
$custom-light: #8466d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28bc",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 188
  },
  "hsl": {
    "h": 247.703,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41605,
    "c": 0.21477,
    "h": 277.3
  },
  "luminance": 0.06078
}

Semantic roles & 50–950 ramp

primary

#3B28BC

secondary

#C0CB75

accent

#E840D2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3B28BC

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

Preview Lab → · Contrast checker → · Palette generator →