#3827A9#3827A9

#3827A9 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.2% C 0.194 H 278.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#3827A9
RGB	rgb(56, 39, 169)
HSL	hsl(248, 63%, 41%)
HSV	hsv(248, 77%, 66%)
CMYK	cmyk(66.9%, 76.9%, 0%, 33.7%)
CIE-LAB	lab(27.17, 46.07, -66.40)
CIE-LCH	lch(27.17, 80.82, 304.76°)
OKLab	oklab(39.24% 0.0286 -0.1918)
OKLCH	oklch(39.24% 0.194 278.5)
XYZ	xyz(9.5155, 5.1556, 38.0221)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827A9 #98A927

analogous

#2757A9 #3827A9 #7927A9

triadic

#3827A9 #A93827 #27A938

tetradic

#3827A9 #A92757 #98A927 #27A979

square

#3827A9 #A92757 #98A927 #27A979

split-complementary

#3827A9 #A97927 #57A927

monochromatic

#171046 #281C77 #3827A9 #4F3BD2 #7C6DDD

Accessibility & contrast

On white

10.34

#3827A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3827A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827A9

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827A9	#FFFFFF	#000000	##FFFFFF
##3827A9	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#003BA7

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3827a9;
/* rgb */ color: rgb(56, 39, 169);
/* oklch */ color: oklch(39.2% 0.194 278.5);

Tailwind

colors: {
  custom: {
    50: '#7f64c4',
    500: '#3827a9',
    950: '#000000',
  },
}

SCSS

$custom: #3827a9;
$custom-light: #7f64c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3827a9",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 169
  },
  "hsl": {
    "h": 247.846,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39244,
    "c": 0.19391,
    "h": 278.5
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary

#3827A9

secondary

#B8C468

accent

#E642D0

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3827A9

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

Preview Lab → · Contrast checker → · Palette generator →