#3B28B7#3B28B7

#3B28B7 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.1% C 0.209 H 277.9°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#3B28B7
RGB	rgb(59, 40, 183)
HSL	hsl(248, 64%, 44%)
HSV	hsv(248, 78%, 72%)
CMYK	cmyk(67.8%, 78.1%, 0%, 28.2%)
CIE-LAB	lab(29.07, 50.18, -71.64)
CIE-LCH	lch(29.07, 87.47, 305.01°)
OKLab	oklab(41.07% 0.0287 -0.207)
OKLCH	oklch(41.07% 0.209 277.9)
XYZ	xyz(11.1069, 5.8653, 45.3374)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28B7 #A4B728

analogous

#285CB7 #3B28B7 #8228B7

triadic

#3B28B7 #B73B28 #28B73B

tetradic

#3B28B7 #B7285C #A4B728 #28B782

square

#3B28B7 #B7285C #A4B728 #28B782

split-complementary

#3B28B7 #B78228 #5CB728

monochromatic

#1B1253 #2B1D85 #3B28B7 #5946D6 #8678E1

Accessibility & contrast

On white

9.66

#3B28B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3B28B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28B7

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28B7	#FFFFFF	#000000	##FFFFFF
##3B28B7	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABB

Deuteranopia (green-blind)

#003FB4

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3b28b7;
/* rgb */ color: rgb(59, 40, 183);
/* oklch */ color: oklch(41.1% 0.209 277.9);

Tailwind

colors: {
  custom: {
    50: '#8366ce',
    500: '#3b28b7',
    950: '#000000',
  },
}

SCSS

$custom: #3b28b7;
$custom-light: #8366ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28b7",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 183
  },
  "hsl": {
    "h": 247.972,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41072,
    "c": 0.20895,
    "h": 277.9
  },
  "luminance": 0.05866
}

Semantic roles & 50–950 ramp

primary

#3B28B7

secondary

#BEC972

accent

#E741D1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3B28B7

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

Preview Lab → · Contrast checker → · Palette generator →