#3827B2#3827B2

#3827B2 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.205 H 277.4°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#3827B2
RGB	rgb(56, 39, 178)
HSL	hsl(247, 64%, 43%)
HSV	hsv(247, 78%, 70%)
CMYK	cmyk(68.5%, 78.1%, 0%, 30.2%)
CIE-LAB	lab(28.13, 48.86, -70.22)
CIE-LCH	lch(28.13, 85.55, 304.83°)
OKLab	oklab(40.2% 0.0264 -0.2029)
OKLCH	oklch(40.2% 0.205 277.4)
XYZ	xyz(10.3897, 5.5052, 42.6259)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827B2 #A1B227

analogous

#275CB2 #3827B2 #7D27B2

triadic

#3827B2 #B23827 #27B238

tetradic

#3827B2 #B2275C #A1B227 #27B27D

square

#3827B2 #B2275C #A1B227 #27B27D

split-complementary

#3827B2 #B27D27 #5CB227

monochromatic

#18114E #281C80 #3827B2 #5341D5 #8073E0

Accessibility & contrast

On white

9.99

#3827B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3827B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827B2

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827B2	#FFFFFF	#000000	##FFFFFF
##3827B2	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B6

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3827b2;
/* rgb */ color: rgb(56, 39, 178);
/* oklch */ color: oklch(40.2% 0.205 277.4);

Tailwind

colors: {
  custom: {
    50: '#8065ca',
    500: '#3827b2',
    950: '#000000',
  },
}

SCSS

$custom: #3827b2;
$custom-light: #8065ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3827b2",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 178
  },
  "hsl": {
    "h": 247.338,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40196,
    "c": 0.20462,
    "h": 277.4
  },
  "luminance": 0.05506
}

Semantic roles & 50–950 ramp

primary

#3827B2

secondary

#BCC86D

accent

#E741D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3827B2

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

Preview Lab → · Contrast checker → · Palette generator →