#3C41B3#3C41B3

#3C41B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.177 H 274.6°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3C41B3
RGB	rgb(60, 65, 179)
HSL	hsl(237, 50%, 47%)
HSV	hsv(237, 66%, 70%)
CMYK	cmyk(66.5%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.97, 34.65, -61.21)
CIE-LCH	lch(33.97, 70.33, 299.52°)
OKLab	oklab(44.49% 0.0143 -0.1765)
OKLCH	oklch(44.49% 0.177 274.6)
XYZ	xyz(11.8878, 7.9949, 43.5558)
Luminance	0.0800 (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

#3C41B3 #B3AE3C

analogous

#3C7DB3 #3C41B3 #733CB3

triadic

#3C41B3 #B33C41 #41B33C

tetradic

#3C41B3 #B33C7D #B3AE3C #3CB373

square

#3C41B3 #B33C7D #B3AE3C #3CB373

split-complementary

#3C41B3 #B3733C #7DB33C

monochromatic

#1D2057 #2D3085 #3C41B3 #6266CA #9093DA

Accessibility & contrast

On white

8.08

#3C41B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3C41B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C41B3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C41B3	#FFFFFF	#000000	##FFFFFF
##3C41B3	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)

#0055B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3c41b3;
/* rgb */ color: rgb(60, 65, 179);
/* oklch */ color: oklch(44.5% 0.177 274.6);

Tailwind

colors: {
  custom: {
    50: '#8076cb',
    500: '#3c41b3',
    950: '#000000',
  },
}

SCSS

$custom: #3c41b3;
$custom-light: #8076cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3c41b3",
  "rgb": {
    "r": 60,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 237.479,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44488,
    "c": 0.17709,
    "h": 274.6
  },
  "luminance": 0.07996
}

Semantic roles & 50–950 ramp

primary

#3C41B3

secondary

#C5C286

accent

#D34ED9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C41B3

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

Preview Lab → · Contrast checker → · Palette generator →