#3827B6#3827B6

#3827B6 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.209 H 276.9°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#3827B6
RGB	rgb(56, 39, 182)
HSL	hsl(247, 65%, 43%)
HSV	hsv(247, 79%, 71%)
CMYK	cmyk(69.2%, 78.6%, 0%, 28.6%)
CIE-LAB	lab(28.56, 50.09, -71.90)
CIE-LCH	lch(28.56, 87.62, 304.86°)
OKLab	oklab(40.63% 0.0253 -0.2078)
OKLCH	oklch(40.63% 0.209 276.9)
XYZ	xyz(10.7972, 5.6682, 44.7720)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3827B6 #A5B627

analogous

#275DB6 #3827B6 #7F27B6

triadic

#3827B6 #B63827 #27B638

tetradic

#3827B6 #B6275D #A5B627 #27B67F

square

#3827B6 #B6275D #A5B627 #27B67F

split-complementary

#3827B6 #B67F27 #5DB627

monochromatic

#191151 #281C84 #3827B6 #5543D7 #8376E2

Accessibility & contrast

On white

9.84

#3827B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3827B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3827B6

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3827B6	#FFFFFF	#000000	##FFFFFF
##3827B6	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BA

Deuteranopia (green-blind)

#003DB4

Tritanopia (blue-blind)

#00526E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3827b6;
/* rgb */ color: rgb(56, 39, 182);
/* oklch */ color: oklch(40.6% 0.209 276.9);

Tailwind

colors: {
  custom: {
    50: '#8165cd',
    500: '#3827b6',
    950: '#000000',
  },
}

SCSS

$custom: #3827b6;
$custom-light: #8165cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3827b6",
  "rgb": {
    "r": 56,
    "g": 39,
    "b": 182
  },
  "hsl": {
    "h": 247.133,
    "s": 64.706,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40625,
    "c": 0.20932,
    "h": 276.9
  },
  "luminance": 0.05669
}

Semantic roles & 50–950 ramp

primary

#3827B6

secondary

#BEC970

accent

#E840D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3827B6

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

Preview Lab → · Contrast checker → · Palette generator →