#3E37C0#3E37C0

#3E37C0 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.205 H 276.3°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3E37C0
RGB	rgb(62, 55, 192)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 75%)
CMYK	cmyk(67.7%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(33.05, 45.29, -70.38)
CIE-LCH	lch(33.05, 83.69, 302.76°)
OKLab	oklab(44.22% 0.0223 -0.2033)
OKLCH	oklch(44.22% 0.205 276.3)
XYZ	xyz(12.8641, 7.5611, 50.6405)
Luminance	0.0756 (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

#3E37C0 #B9C037

analogous

#3774C0 #3E37C0 #8237C0

triadic

#3E37C0 #C03E37 #37C03E

tetradic

#3E37C0 #C03774 #B9C037 #37C082

square

#3E37C0 #C03774 #B9C037 #37C082

split-complementary

#3E37C0 #C08237 #74C037

monochromatic

#1F1C61 #2F2990 #3E37C0 #6862D2 #9692E0

Accessibility & contrast

On white

8.36

#3E37C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3E37C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37C0

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37C0	#FFFFFF	#000000	##FFFFFF
##3E37C0	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C4

Deuteranopia (green-blind)

#0048BD

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3e37c0;
/* rgb */ color: rgb(62, 55, 192);
/* oklch */ color: oklch(44.2% 0.205 276.3);

Tailwind

colors: {
  custom: {
    50: '#856fd4',
    500: '#3e37c0',
    950: '#000000',
  },
}

SCSS

$custom: #3e37c0;
$custom-light: #856fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37c0",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 243.066,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44215,
    "c": 0.20456,
    "h": 276.3
  },
  "luminance": 0.07562
}

Semantic roles & 50–950 ramp

primary

#3E37C0

secondary

#C7CB88

accent

#DF49D7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3E37C0

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

Preview Lab → · Contrast checker → · Palette generator →