#3D37C4#3D37C4

#3D37C4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.210 H 275.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3D37C4
RGB	rgb(61, 55, 196)
HSL	hsl(243, 56%, 49%)
HSV	hsv(243, 72%, 77%)
CMYK	cmyk(68.9%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(33.37, 46.47, -72.21)
CIE-LCH	lch(33.37, 85.87, 302.76°)
OKLab	oklab(44.54% 0.0203 -0.2087)
OKLCH	oklch(44.54% 0.21 275.6)
XYZ	xyz(13.2512, 7.7088, 53.0035)
Luminance	0.0771 (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

#3D37C4 #BEC437

analogous

#3778C4 #3D37C4 #8437C4

triadic

#3D37C4 #C43D37 #37C43D

tetradic

#3D37C4 #C43778 #BEC437 #37C484

square

#3D37C4 #C43778 #BEC437 #37C484

split-complementary

#3D37C4 #C48437 #78C437

monochromatic

#1F1C64 #2E2A94 #3D37C4 #6965D4 #9894E1

Accessibility & contrast

On white

8.26

#3D37C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3D37C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37C4

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37C4	#FFFFFF	#000000	##FFFFFF
##3D37C4	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d37c4;
/* rgb */ color: rgb(61, 55, 196);
/* oklch */ color: oklch(44.5% 0.210 275.6);

Tailwind

colors: {
  custom: {
    50: '#856fd7',
    500: '#3d37c4',
    950: '#000000',
  },
}

SCSS

$custom: #3d37c4;
$custom-light: #856fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37c4",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 242.553,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4454,
    "c": 0.20969,
    "h": 275.6
  },
  "luminance": 0.0771
}

Semantic roles & 50–950 ramp

primary

#3D37C4

secondary

#C9CC8B

accent

#DF48D9

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3D37C4

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

Preview Lab → · Contrast checker → · Palette generator →