#3B27AB#3B27AB

#3B27AB is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.7% C 0.196 H 279.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#3B27AB
RGB	rgb(59, 39, 171)
HSL	hsl(249, 63%, 41%)
HSV	hsv(249, 77%, 67%)
CMYK	cmyk(65.5%, 77.2%, 0%, 32.9%)
CIE-LAB	lab(27.63, 47.02, -66.85)
CIE-LCH	lch(27.63, 81.73, 305.12°)
OKLab	oklab(39.69% 0.0324 -0.193)
OKLCH	oklch(39.69% 0.196 279.5)
XYZ	xyz(9.8775, 5.3203, 39.0266)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B27AB #97AB27

analogous

#2755AB #3B27AB #7D27AB

triadic

#3B27AB #AB3B27 #27AB3B

tetradic

#3B27AB #AB2755 #97AB27 #27AB7D

square

#3B27AB #AB2755 #97AB27 #27AB7D

split-complementary

#3B27AB #AB7D27 #55AB27

monochromatic

#191047 #2A1C79 #3B27AB #533DD3 #7F6EDE

Accessibility & contrast

On white

10.17

#3B27AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3B27AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B27AB

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B27AB	#FFFFFF	#000000	##FFFFFF
##3B27AB	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003CA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3b27ab;
/* rgb */ color: rgb(59, 39, 171);
/* oklch */ color: oklch(39.7% 0.196 279.5);

Tailwind

colors: {
  custom: {
    50: '#8065c5',
    500: '#3b27ab',
    950: '#000000',
  },
}

SCSS

$custom: #3b27ab;
$custom-light: #8065c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b27ab",
  "rgb": {
    "r": 59,
    "g": 39,
    "b": 171
  },
  "hsl": {
    "h": 249.091,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39687,
    "c": 0.1957,
    "h": 279.5
  },
  "luminance": 0.05321
}

Semantic roles & 50–950 ramp

primary

#3B27AB

secondary

#B7C569

accent

#E642CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3B27AB

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

Preview Lab → · Contrast checker → · Palette generator →