#3D37CD#3D37CD

#3D37CD is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.4% C 0.221 H 274.9°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3D37CD
RGB	rgb(61, 55, 205)
HSL	hsl(242, 60%, 51%)
HSV	hsv(242, 73%, 80%)
CMYK	cmyk(70.2%, 73.2%, 0%, 19.6%)
CIE-LAB	lab(34.25, 49.36, -76.00)
CIE-LCH	lch(34.25, 90.62, 303.00°)
OKLab	oklab(45.43% 0.0187 -0.2198)
OKLCH	oklch(45.43% 0.221 274.9)
XYZ	xyz(14.3065, 8.1309, 58.5612)
Luminance	0.0813 (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

#3D37CD #C7CD37

analogous

#377CCD #3D37CD #8837CD

triadic

#3D37CD #CD3D37 #37CD3D

tetradic

#3D37CD #CD377C #C7CD37 #37CD88

square

#3D37CD #CD377C #C7CD37 #37CD88

split-complementary

#3D37CD #CD8837 #7CCD37

monochromatic

#1F1C6E #2D289F #3D37CD #6C68D9 #9C99E5

Accessibility & contrast

On white

8.00

#3D37CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3D37CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37CD

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37CD	#FFFFFF	#000000	##FFFFFF
##3D37CD	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D1

Deuteranopia (green-blind)

#004ACA

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3d37cd;
/* rgb */ color: rgb(61, 55, 205);
/* oklch */ color: oklch(45.4% 0.221 274.9);

Tailwind

colors: {
  custom: {
    50: '#8770de',
    500: '#3d37cd',
    950: '#000000',
  },
}

SCSS

$custom: #3d37cd;
$custom-light: #8770de;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37cd",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 205
  },
  "hsl": {
    "h": 242.4,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45435,
    "c": 0.22056,
    "h": 274.9
  },
  "luminance": 0.08132
}

Semantic roles & 50–950 ramp

primary

#3D37CD

secondary

#CED18F

accent

#E345DD

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3D37CD

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

Preview Lab → · Contrast checker → · Palette generator →