#4141BB#4141BB

#4141BB is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.186 H 276.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4141BB
RGB	rgb(65, 65, 187)
HSL	hsl(240, 48%, 49%)
HSV	hsv(240, 65%, 73%)
CMYK	cmyk(65.2%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(34.99, 38.09, -64.26)
CIE-LCH	lch(34.99, 74.70, 300.66°)
OKLab	oklab(45.53% 0.0196 -0.1853)
OKLCH	oklch(45.53% 0.186 276)
XYZ	xyz(13.0370, 8.4912, 47.9560)
Luminance	0.0849 (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

#4141BB #BBBB41

analogous

#417EBB #4141BB #7E41BB

triadic

#4141BB #BB4141 #41BB41

tetradic

#4141BB #BB417E #BBBB41 #41BB7E

square

#4141BB #BB417E #BBBB41 #41BB7E

split-complementary

#4141BB #BB7E41 #7EBB41

monochromatic

#212160 #31318E #4141BB #6D6DCC #9A9ADC

Accessibility & contrast

On white

7.78

#4141BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4141BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4141BB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4141BB	#FFFFFF	#000000	##FFFFFF
##4141BB	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4141bb;
/* rgb */ color: rgb(65, 65, 187);
/* oklch */ color: oklch(45.5% 0.186 276.0);

Tailwind

colors: {
  custom: {
    50: '#8476d0',
    500: '#4141bb',
    950: '#000000',
  },
}

SCSS

$custom: #4141bb;
$custom-light: #8476d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4141bb",
  "rgb": {
    "r": 65,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45525,
    "c": 0.18639,
    "h": 276
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary

#4141BB

secondary

#C8C890

accent

#D850D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4141BB

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

Preview Lab → · Contrast checker → · Palette generator →