#3937C2#3937C2

#3937C2 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.208 H 274.3°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#3937C2
RGB	rgb(57, 55, 194)
HSL	hsl(241, 56%, 49%)
HSV	hsv(241, 72%, 76%)
CMYK	cmyk(70.6%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(32.91, 45.39, -71.80)
CIE-LCH	lch(32.91, 84.94, 302.30°)
OKLab	oklab(44.09% 0.0158 -0.2076)
OKLCH	oklch(44.09% 0.208 274.3)
XYZ	xyz(12.7879, 7.4960, 51.8014)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3937C2 #C0C237

analogous

#377BC2 #3937C2 #7F37C2

triadic

#3937C2 #C23937 #37C239

tetradic

#3937C2 #C2377B #C0C237 #37C27F

square

#3937C2 #C2377B #C0C237 #37C27F

split-complementary

#3937C2 #C27F37 #7BC237

monochromatic

#1D1C63 #2B2992 #3937C2 #6563D3 #9493E0

Accessibility & contrast

On white

8.40

#3937C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3937C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3937C2

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3937C2	#FFFFFF	#000000	##FFFFFF
##3937C2	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C6

Deuteranopia (green-blind)

#0047BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3937c2;
/* rgb */ color: rgb(57, 55, 194);
/* oklch */ color: oklch(44.1% 0.208 274.3);

Tailwind

colors: {
  custom: {
    50: '#836fd6',
    500: '#3937c2',
    950: '#000000',
  },
}

SCSS

$custom: #3937c2;
$custom-light: #836fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3937c2",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 240.863,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44085,
    "c": 0.20821,
    "h": 274.3
  },
  "luminance": 0.07497
}

Semantic roles & 50–950 ramp

primary

#3937C2

secondary

#CBCB89

accent

#DF49DD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3937C2

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

Preview Lab → · Contrast checker → · Palette generator →