#3B28B0#3B28B0

#3B28B0 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.3% C 0.201 H 278.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B28B0
RGB	rgb(59, 40, 176)
HSL	hsl(248, 63%, 42%)
HSV	hsv(248, 77%, 69%)
CMYK	cmyk(66.5%, 77.3%, 0%, 31%)
CIE-LAB	lab(28.33, 48.04, -68.69)
CIE-LCH	lch(28.33, 83.82, 304.97°)
OKLab	oklab(40.34% 0.0305 -0.1984)
OKLCH	oklch(40.34% 0.201 278.7)
XYZ	xyz(10.3964, 5.5811, 41.5953)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28B0 #9DB028

analogous

#2859B0 #3B28B0 #7F28B0

triadic

#3B28B0 #B03B28 #28B03B

tetradic

#3B28B0 #B02859 #9DB028 #28B07F

square

#3B28B0 #B02859 #9DB028 #28B07F

split-complementary

#3B28B0 #B07F28 #59B028

monochromatic

#1A114C #2A1D7E #3B28B0 #5641D4 #8273DF

Accessibility & contrast

On white

9.92

#3B28B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3B28B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28B0

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28B0	#FFFFFF	#000000	##FFFFFF
##3B28B0	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003DAE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3b28b0;
/* rgb */ color: rgb(59, 40, 176);
/* oklch */ color: oklch(40.3% 0.201 278.7);

Tailwind

colors: {
  custom: {
    50: '#8165c9',
    500: '#3b28b0',
    950: '#000000',
  },
}

SCSS

$custom: #3b28b0;
$custom-light: #8165c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28b0",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 248.382,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40335,
    "c": 0.20071,
    "h": 278.7
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#3B28B0

secondary

#BAC66D

accent

#E642CF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3B28B0

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

Preview Lab → · Contrast checker → · Palette generator →