#3927A5#3927A5

#3927A5 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.9% C 0.189 H 279.5°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#3927A5
RGB	rgb(57, 39, 165)
HSL	hsl(249, 62%, 40%)
HSV	hsv(249, 76%, 65%)
CMYK	cmyk(65.5%, 76.4%, 0%, 35.3%)
CIE-LAB	lab(26.84, 44.94, -64.53)
CIE-LCH	lch(26.84, 78.64, 304.85°)
OKLab	oklab(38.91% 0.031 -0.1863)
OKLCH	oklch(38.91% 0.189 279.5)
XYZ	xyz(9.2022, 5.0368, 36.0773)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3927A5 #93A527

analogous

#2754A5 #3927A5 #7827A5

triadic

#3927A5 #A53927 #27A539

tetradic

#3927A5 #A52754 #93A527 #27A578

square

#3927A5 #A52754 #93A527 #27A578

split-complementary

#3927A5 #A57827 #54A527

monochromatic

#171042 #281B74 #3927A5 #4F39D0 #7B6ADC

Accessibility & contrast

On white

10.46

#3927A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3927A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927A5

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3927A5	#FFFFFF	#000000	##FFFFFF
##3927A5	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A9

Deuteranopia (green-blind)

#003AA3

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3927a5;
/* rgb */ color: rgb(57, 39, 165);
/* oklch */ color: oklch(38.9% 0.189 279.5);

Tailwind

colors: {
  custom: {
    50: '#7e64c1',
    500: '#3927a5',
    950: '#000000',
  },
}

SCSS

$custom: #3927a5;
$custom-light: #7e64c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3927a5",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 165
  },
  "hsl": {
    "h": 248.571,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.38905,
    "c": 0.18888,
    "h": 279.5
  },
  "luminance": 0.05038
}

Semantic roles & 50–950 ramp

primary

#3927A5

secondary

#B5C266

accent

#E543CE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3927A5

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

Preview Lab → · Contrast checker → · Palette generator →