#3827BC#3827BC

#3827BC is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.3% C 0.216 H 276.3°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#3827BC
RGB	rgb(56, 39, 188)
HSL	hsl(247, 66%, 45%)
HSV	hsv(247, 79%, 74%)
CMYK	cmyk(70.2%, 79.3%, 0%, 26.3%)
CIE-LAB	lab(29.21, 51.91, -74.37)
CIE-LCH	lch(29.21, 90.70, 304.92°)
OKLab	oklab(41.27% 0.0238 -0.215)
OKLCH	oklch(41.27% 0.216 276.3)
XYZ	xyz(11.4305, 5.9216, 48.1078)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827BC #ABBC27

analogous

#2760BC #3827BC #8327BC

triadic

#3827BC #BC3827 #27BC38

tetradic

#3827BC #BC2760 #ABBC27 #27BC83

square

#3827BC #BC2760 #ABBC27 #27BC83

split-complementary

#3827BC #BC8327 #60BC27

monochromatic

#1A1257 #291C89 #3827BC #5847D9 #867AE3

Accessibility & contrast

On white

9.61

#3827BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3827BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827BC

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827BC	#FFFFFF	#000000	##FFFFFF
##3827BC	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC0

Deuteranopia (green-blind)

#003EB9

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3827bc;
/* rgb */ color: rgb(56, 39, 188);
/* oklch */ color: oklch(41.3% 0.216 276.3);

Tailwind

colors: {
  custom: {
    50: '#8365d2',
    500: '#3827bc',
    950: '#000000',
  },
}

SCSS

$custom: #3827bc;
$custom-light: #8365d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3827bc",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 188
  },
  "hsl": {
    "h": 246.846,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41273,
    "c": 0.21629,
    "h": 276.3
  },
  "luminance": 0.05923
}

Semantic roles & 50–950 ramp

primary

#3827BC

secondary

#C1CB73

accent

#E93FD5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3827BC

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

Preview Lab → · Contrast checker → · Palette generator →