#3937A2#3937A2

#3937A2 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.167 H 276.9°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#3937A2
RGB	rgb(57, 55, 162)
HSL	hsl(241, 49%, 43%)
HSV	hsv(241, 66%, 64%)
CMYK	cmyk(64.8%, 66%, 0%, 36.5%)
CIE-LAB	lab(29.94, 34.63, -57.63)
CIE-LCH	lch(29.94, 67.24, 301.00°)
OKLab	oklab(41.04% 0.0201 -0.1662)
OKLCH	oklch(41.04% 0.167 276.9)
XYZ	xyz(9.5730, 6.2101, 34.8696)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3937A2 #A0A237

analogous

#376BA2 #3937A2 #6E37A2

triadic

#3937A2 #A23937 #37A239

tetradic

#3937A2 #A2376B #A0A237 #37A26E

square

#3937A2 #A2376B #A0A237 #37A26E

split-complementary

#3937A2 #A26E37 #6BA237

monochromatic

#191847 #292774 #3937A2 #5452C4 #8180D4

Accessibility & contrast

On white

9.37

#3937A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3937A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3937A2

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3937A2	#FFFFFF	#000000	##FFFFFF
##3937A2	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3937a2;
/* rgb */ color: rgb(57, 55, 162);
/* oklch */ color: oklch(41.0% 0.167 276.9);

Tailwind

colors: {
  custom: {
    50: '#7c6ebe',
    500: '#3937a2',
    950: '#000000',
  },
}

SCSS

$custom: #3937a2;
$custom-light: #7c6ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3937a2",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 241.121,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41036,
    "c": 0.16738,
    "h": 276.9
  },
  "luminance": 0.06211
}

Semantic roles & 50–950 ramp

primary

#3937A2

secondary

#BCBD78

accent

#D94FD6

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3937A2

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

Preview Lab → · Contrast checker → · Palette generator →