#3D37C0#3D37C0

#3D37C0 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.205 H 275.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3D37C0
RGB	rgb(61, 55, 192)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 75%)
CMYK	cmyk(68.2%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(32.98, 45.17, -70.50)
CIE-LCH	lch(32.98, 83.73, 302.65°)
OKLab	oklab(44.15% 0.021 -0.2037)
OKLCH	oklch(44.15% 0.205 275.9)
XYZ	xyz(12.8020, 7.5291, 50.6376)
Luminance	0.0753 (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

#3D37C0 #BAC037

analogous

#3775C0 #3D37C0 #8137C0

triadic

#3D37C0 #C03D37 #37C03D

tetradic

#3D37C0 #C03775 #BAC037 #37C081

square

#3D37C0 #C03775 #BAC037 #37C081

split-complementary

#3D37C0 #C08137 #75C037

monochromatic

#1F1C61 #2E2990 #3D37C0 #6762D2 #9592E0

Accessibility & contrast

On white

8.38

#3D37C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3D37C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37C0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37C0	#FFFFFF	#000000	##FFFFFF
##3D37C0	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C4

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d37c0;
/* rgb */ color: rgb(61, 55, 192);
/* oklch */ color: oklch(44.1% 0.205 275.9);

Tailwind

colors: {
  custom: {
    50: '#846fd4',
    500: '#3d37c0',
    950: '#000000',
  },
}

SCSS

$custom: #3d37c0;
$custom-light: #846fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37c0",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 242.628,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44147,
    "c": 0.20479,
    "h": 275.9
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#3D37C0

secondary

#C8CB88

accent

#DF49D8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D37C0

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

Preview Lab → · Contrast checker → · Palette generator →