#3D37BF#3D37BF

#3D37BF is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.204 H 276.0°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3D37BF
RGB	rgb(61, 55, 191)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 75%)
CMYK	cmyk(68.1%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(32.89, 44.84, -70.07)
CIE-LCH	lch(32.89, 83.19, 302.62°)
OKLab	oklab(44.05% 0.0212 -0.2025)
OKLCH	oklch(44.05% 0.204 276)
XYZ	xyz(12.6915, 7.4849, 50.0560)
Luminance	0.0749 (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

#3D37BF #B9BF37

analogous

#3775BF #3D37BF #8137BF

triadic

#3D37BF #BF3D37 #37BF3D

tetradic

#3D37BF #BF3775 #B9BF37 #37BF81

square

#3D37BF #BF3775 #B9BF37 #37BF81

split-complementary

#3D37BF #BF8137 #75BF37

monochromatic

#1F1C60 #2E298F #3D37BF #6662D2 #9591DF

Accessibility & contrast

On white

8.41

#3D37BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3D37BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37BF

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37BF	#FFFFFF	#000000	##FFFFFF
##3D37BF	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C3

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d37bf;
/* rgb */ color: rgb(61, 55, 191);
/* oklch */ color: oklch(44.0% 0.204 276.0);

Tailwind

colors: {
  custom: {
    50: '#846fd4',
    500: '#3d37bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d37bf;
$custom-light: #846fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37bf",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 242.647,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4405,
    "c": 0.20357,
    "h": 276
  },
  "luminance": 0.07486
}

Semantic roles & 50–950 ramp

primary

#3D37BF

secondary

#C7CA88

accent

#DF49D8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D37BF

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

Preview Lab → · Contrast checker → · Palette generator →