#3D37CA#3D37CA

#3D37CA is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.1% C 0.217 H 275.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3D37CA
RGB	rgb(61, 55, 202)
HSL	hsl(242, 58%, 50%)
HSV	hsv(242, 73%, 79%)
CMYK	cmyk(69.8%, 72.8%, 0%, 20.8%)
CIE-LAB	lab(33.96, 48.40, -74.75)
CIE-LCH	lch(33.96, 89.05, 302.92°)
OKLab	oklab(45.14% 0.0193 -0.2161)
OKLCH	oklch(45.14% 0.217 275.1)
XYZ	xyz(13.9478, 7.9874, 56.6723)
Luminance	0.0799 (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

#3D37CA #C4CA37

analogous

#377ACA #3D37CA #8637CA

triadic

#3D37CA #CA3D37 #37CA3D

tetradic

#3D37CA #CA377A #C4CA37 #37CA86

square

#3D37CA #CA377A #C4CA37 #37CA86

split-complementary

#3D37CA #CA8637 #7ACA37

monochromatic

#1F1C6A #2E299B #3D37CA #6C67D7 #9B98E4

Accessibility & contrast

On white

8.08

#3D37CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3D37CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37CA

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37CA	#FFFFFF	#000000	##FFFFFF
##3D37CA	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CE

Deuteranopia (green-blind)

#0049C7

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d37ca;
/* rgb */ color: rgb(61, 55, 202);
/* oklch */ color: oklch(45.1% 0.217 275.1);

Tailwind

colors: {
  custom: {
    50: '#8670db',
    500: '#3d37ca',
    950: '#000000',
  },
}

SCSS

$custom: #3d37ca;
$custom-light: #8670db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37ca",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 202
  },
  "hsl": {
    "h": 242.449,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45135,
    "c": 0.21696,
    "h": 275.1
  },
  "luminance": 0.07989
}

Semantic roles & 50–950 ramp

primary

#3D37CA

secondary

#CDCF8E

accent

#E146DB

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3D37CA

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

Preview Lab → · Contrast checker → · Palette generator →