#3A28A8#3A28A8

#3A28A8 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.4% C 0.191 H 279.4°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#3A28A8
RGB	rgb(58, 40, 168)
HSL	hsl(248, 62%, 41%)
HSV	hsv(248, 76%, 66%)
CMYK	cmyk(65.5%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(27.42, 45.46, -65.39)
CIE-LCH	lch(27.42, 79.64, 304.81°)
OKLab	oklab(39.43% 0.0311 -0.1888)
OKLCH	oklch(39.43% 0.191 279.4)
XYZ	xyz(9.5693, 5.2435, 37.5460)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A28A8 #96A828

analogous

#2856A8 #3A28A8 #7A28A8

triadic

#3A28A8 #A83A28 #28A83A

tetradic

#3A28A8 #A82856 #96A828 #28A87A

square

#3A28A8 #A82856 #96A828 #28A87A

split-complementary

#3A28A8 #A87A28 #56A828

monochromatic

#181045 #291C77 #3A28A8 #513DD1 #7D6EDC

Accessibility & contrast

On white

10.25

#3A28A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3A28A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A28A8

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A28A8	#FFFFFF	#000000	##FFFFFF
##3A28A8	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a28a8;
/* rgb */ color: rgb(58, 40, 168);
/* oklch */ color: oklch(39.4% 0.191 279.4);

Tailwind

colors: {
  custom: {
    50: '#7f65c3',
    500: '#3a28a8',
    950: '#000000',
  },
}

SCSS

$custom: #3a28a8;
$custom-light: #7f65c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a28a8",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 248.438,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39426,
    "c": 0.19134,
    "h": 279.4
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#3A28A8

secondary

#B6C369

accent

#E543CE

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3A28A8

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

Preview Lab → · Contrast checker → · Palette generator →