#3E37C4#3E37C4

#3E37C4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.209 H 275.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3E37C4
RGB	rgb(62, 55, 196)
HSL	hsl(243, 56%, 49%)
HSV	hsv(243, 72%, 77%)
CMYK	cmyk(68.4%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(33.44, 46.58, -72.10)
CIE-LCH	lch(33.44, 85.83, 302.86°)
OKLab	oklab(44.61% 0.0216 -0.2083)
OKLCH	oklch(44.61% 0.209 275.9)
XYZ	xyz(13.3133, 7.7408, 53.0064)
Luminance	0.0774 (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

#3E37C4 #BDC437

analogous

#3777C4 #3E37C4 #8537C4

triadic

#3E37C4 #C43E37 #37C43E

tetradic

#3E37C4 #C43777 #BDC437 #37C485

square

#3E37C4 #C43777 #BDC437 #37C485

split-complementary

#3E37C4 #C48537 #77C437

monochromatic

#201C64 #2F2A94 #3E37C4 #6A65D4 #9894E1

Accessibility & contrast

On white

8.24

#3E37C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3E37C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37C4

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E37C4	#FFFFFF	#000000	##FFFFFF
##3E37C4	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3e37c4;
/* rgb */ color: rgb(62, 55, 196);
/* oklch */ color: oklch(44.6% 0.209 275.9);

Tailwind

colors: {
  custom: {
    50: '#8570d7',
    500: '#3e37c4',
    950: '#000000',
  },
}

SCSS

$custom: #3e37c4;
$custom-light: #8570d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e37c4",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 242.979,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44606,
    "c": 0.20945,
    "h": 275.9
  },
  "luminance": 0.07742
}

Semantic roles & 50–950 ramp

primary

#3E37C4

secondary

#C9CC8B

accent

#DF48D8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3E37C4

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

Preview Lab → · Contrast checker → · Palette generator →