#3D37C6#3D37C6

#3D37C6 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.212 H 275.4°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3D37C6
RGB	rgb(61, 55, 198)
HSL	hsl(243, 57%, 50%)
HSV	hsv(243, 72%, 78%)
CMYK	cmyk(69.2%, 72.2%, 0%, 22.4%)
CIE-LAB	lab(33.56, 47.11, -73.06)
CIE-LCH	lch(33.56, 86.93, 302.82°)
OKLab	oklab(44.74% 0.02 -0.2112)
OKLCH	oklch(44.74% 0.212 275.4)
XYZ	xyz(13.4803, 7.8004, 54.2104)
Luminance	0.0780 (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

#3D37C6 #C0C637

analogous

#3779C6 #3D37C6 #8437C6

triadic

#3D37C6 #C63D37 #37C63D

tetradic

#3D37C6 #C63779 #C0C637 #37C684

square

#3D37C6 #C63779 #C0C637 #37C684

split-complementary

#3D37C6 #C68437 #79C637

monochromatic

#1F1C66 #2E2A96 #3D37C6 #6A66D4 #9996E2

Accessibility & contrast

On white

8.20

#3D37C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3D37C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37C6

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37C6	#FFFFFF	#000000	##FFFFFF
##3D37C6	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CA

Deuteranopia (green-blind)

#0048C3

Tritanopia (blue-blind)

#005F7B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3d37c6;
/* rgb */ color: rgb(61, 55, 198);
/* oklch */ color: oklch(44.7% 0.212 275.4);

Tailwind

colors: {
  custom: {
    50: '#8570d9',
    500: '#3d37c6',
    950: '#000000',
  },
}

SCSS

$custom: #3d37c6;
$custom-light: #8570d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37c6",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 198
  },
  "hsl": {
    "h": 242.517,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44737,
    "c": 0.21212,
    "h": 275.4
  },
  "luminance": 0.07802
}

Semantic roles & 50–950 ramp

primary

#3D37C6

secondary

#CACD8C

accent

#E048D9

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3D37C6

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

Preview Lab → · Contrast checker → · Palette generator →