#3B28B2#3B28B2

#3B28B2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.5% C 0.203 H 278.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#3B28B2
RGB	rgb(59, 40, 178)
HSL	hsl(248, 63%, 43%)
HSV	hsv(248, 78%, 70%)
CMYK	cmyk(66.9%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(28.54, 48.66, -69.54)
CIE-LCH	lch(28.54, 84.87, 304.98°)
OKLab	oklab(40.54% 0.03 -0.2008)
OKLCH	oklch(40.54% 0.203 278.5)
XYZ	xyz(10.5957, 5.6608, 42.6451)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28B2 #9FB228

analogous

#285AB2 #3B28B2 #8028B2

triadic

#3B28B2 #B23B28 #28B23B

tetradic

#3B28B2 #B2285A #9FB228 #28B280

square

#3B28B2 #B2285A #9FB228 #28B280

split-complementary

#3B28B2 #B28028 #5AB228

monochromatic

#1A124E #2A1D80 #3B28B2 #5743D5 #8375E0

Accessibility & contrast

On white

9.85

#3B28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3B28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28B2

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28B2	#FFFFFF	#000000	##FFFFFF
##3B28B2	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3b28b2;
/* rgb */ color: rgb(59, 40, 178);
/* oklch */ color: oklch(40.5% 0.203 278.5);

Tailwind

colors: {
  custom: {
    50: '#8265ca',
    500: '#3b28b2',
    950: '#000000',
  },
}

SCSS

$custom: #3b28b2;
$custom-light: #8265ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28b2",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 248.261,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40544,
    "c": 0.20307,
    "h": 278.5
  },
  "luminance": 0.05662
}

Semantic roles & 50–950 ramp

primary

#3B28B2

secondary

#BBC76F

accent

#E641D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3B28B2

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

Preview Lab → · Contrast checker → · Palette generator →