#3A28BA#3A28BA

#3A28BA is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.213 H 277.2°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#3A28BA
RGB	rgb(58, 40, 186)
HSL	hsl(247, 65%, 44%)
HSV	hsv(247, 78%, 73%)
CMYK	cmyk(68.8%, 78.5%, 0%, 27.1%)
CIE-LAB	lab(29.31, 51.00, -73.02)
CIE-LCH	lch(29.31, 89.06, 304.93°)
OKLab	oklab(41.32% 0.0266 -0.211)
OKLCH	oklch(41.32% 0.213 277.2)
XYZ	xyz(11.3638, 5.9613, 46.9966)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A28BA #A8BA28

analogous

#285FBA #3A28BA #8328BA

triadic

#3A28BA #BA3A28 #28BA3A

tetradic

#3A28BA #BA285F #A8BA28 #28BA83

square

#3A28BA #BA285F #A8BA28 #28BA83

split-complementary

#3A28BA #BA8328 #5FBA28

monochromatic

#1B1255 #2A1D88 #3A28BA #5948D8 #877AE2

Accessibility & contrast

On white

9.58

#3A28BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3A28BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A28BA

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A28BA	#FFFFFF	#000000	##FFFFFF
##3A28BA	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBE

Deuteranopia (green-blind)

#003FB7

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3a28ba;
/* rgb */ color: rgb(58, 40, 186);
/* oklch */ color: oklch(41.3% 0.213 277.2);

Tailwind

colors: {
  custom: {
    50: '#8366d0',
    500: '#3a28ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a28ba;
$custom-light: #8366d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a28ba",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 186
  },
  "hsl": {
    "h": 247.397,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41318,
    "c": 0.21267,
    "h": 277.2
  },
  "luminance": 0.05962
}

Semantic roles & 50–950 ramp

primary

#3A28BA

secondary

#C0CA73

accent

#E840D3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3A28BA

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

Preview Lab → · Contrast checker → · Palette generator →