#3A28B2#3A28B2

#3A28B2 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.203 H 278.1°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#3A28B2
RGB	rgb(58, 40, 178)
HSL	hsl(248, 63%, 43%)
HSV	hsv(248, 78%, 70%)
CMYK	cmyk(67.4%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(28.46, 48.55, -69.67)
CIE-LCH	lch(28.46, 84.92, 304.87°)
OKLab	oklab(40.47% 0.0286 -0.2013)
OKLCH	oklch(40.47% 0.203 278.1)
XYZ	xyz(10.5370, 5.6306, 42.6424)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A28B2 #A0B228

analogous

#285BB2 #3A28B2 #7F28B2

triadic

#3A28B2 #B23A28 #28B23A

tetradic

#3A28B2 #B2285B #A0B228 #28B27F

square

#3A28B2 #B2285B #A0B228 #28B27F

split-complementary

#3A28B2 #B27F28 #5BB228

monochromatic

#19124E #2A1D80 #3A28B2 #5643D5 #8375E0

Accessibility & contrast

On white

9.88

#3A28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3A28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A28B2

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A28B2	#FFFFFF	#000000	##FFFFFF
##3A28B2	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B6

Deuteranopia (green-blind)

#003DB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3a28b2;
/* rgb */ color: rgb(58, 40, 178);
/* oklch */ color: oklch(40.5% 0.203 278.1);

Tailwind

colors: {
  custom: {
    50: '#8165ca',
    500: '#3a28b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a28b2;
$custom-light: #8165ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a28b2",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 247.826,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40468,
    "c": 0.20328,
    "h": 278.1
  },
  "luminance": 0.05631
}

Semantic roles & 50–950 ramp

primary

#3A28B2

secondary

#BCC76F

accent

#E641D1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3A28B2

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

Preview Lab → · Contrast checker → · Palette generator →