#3A41BB#3A41BB

#3A41BB is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.188 H 273.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3A41BB
RGB	rgb(58, 65, 187)
HSL	hsl(237, 53%, 48%)
HSV	hsv(237, 69%, 73%)
CMYK	cmyk(69%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(34.53, 37.15, -65.02)
CIE-LCH	lch(34.53, 74.88, 299.74°)
OKLab	oklab(45.08% 0.0114 -0.1877)
OKLCH	oklch(45.08% 0.188 273.5)
XYZ	xyz(12.6019, 8.2668, 47.9356)
Luminance	0.0827 (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

#3A41BB #BBB43A

analogous

#3A81BB #3A41BB #733ABB

triadic

#3A41BB #BB3A41 #41BB3A

tetradic

#3A41BB #BB3A81 #BBB43A #3ABB73

square

#3A41BB #BB3A81 #BBB43A #3ABB73

split-complementary

#3A41BB #BB733A #81BB3A

monochromatic

#1D215E #2C318C #3A41BB #6369CF #9296DD

Accessibility & contrast

On white

7.91

#3A41BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3A41BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A41BB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A41BB	#FFFFFF	#000000	##FFFFFF
##3A41BB	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a41bb;
/* rgb */ color: rgb(58, 65, 187);
/* oklch */ color: oklch(45.1% 0.188 273.5);

Tailwind

colors: {
  custom: {
    50: '#8176d0',
    500: '#3a41bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a41bb;
$custom-light: #8176d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a41bb",
  "rgb": {
    "r": 58,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 236.744,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45076,
    "c": 0.1881,
    "h": 273.5
  },
  "luminance": 0.08268
}

Semantic roles & 50–950 ramp

primary

#3A41BB

secondary

#C8C588

accent

#D44CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3A41BB

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

Preview Lab → · Contrast checker → · Palette generator →