#3B41BA#3B41BA

#3B41BA is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.187 H 273.9°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B41BA
RGB	rgb(59, 65, 186)
HSL	hsl(237, 52%, 48%)
HSV	hsv(237, 68%, 73%)
CMYK	cmyk(68.3%, 65.1%, 0%, 27.1%)
CIE-LAB	lab(34.51, 36.93, -64.47)
CIE-LCH	lch(34.51, 74.30, 299.81°)
OKLab	oklab(45.05% 0.0127 -0.1861)
OKLCH	oklch(45.05% 0.187 273.9)
XYZ	xyz(12.5539, 8.2544, 47.3765)
Luminance	0.0826 (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

#3B41BA #BAB43B

analogous

#3B81BA #3B41BA #743BBA

triadic

#3B41BA #BA3B41 #41BA3B

tetradic

#3B41BA #BA3B81 #BAB43B #3BBA74

square

#3B41BA #BA3B81 #BAB43B #3BBA74

split-complementary

#3B41BA #BA743B #81BA3B

monochromatic

#1E215D #2C318C #3B41BA #6469CE #9396DD

Accessibility & contrast

On white

7.92

#3B41BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3B41BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B41BA

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B41BA	#FFFFFF	#000000	##FFFFFF
##3B41BA	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3b41ba;
/* rgb */ color: rgb(59, 65, 186);
/* oklch */ color: oklch(45.0% 0.187 273.9);

Tailwind

colors: {
  custom: {
    50: '#8176d0',
    500: '#3b41ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b41ba;
$custom-light: #8176d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b41ba",
  "rgb": {
    "r": 59,
    "g": 65,
    "b": 186
  },
  "hsl": {
    "h": 237.165,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45047,
    "c": 0.18655,
    "h": 273.9
  },
  "luminance": 0.08256
}

Semantic roles & 50–950 ramp

primary

#3B41BA

secondary

#C8C589

accent

#D54DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B41BA

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

Preview Lab → · Contrast checker → · Palette generator →