#3B45BA#3B45BA

#3B45BA is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.182 H 273.1°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B45BA
RGB	rgb(59, 69, 186)
HSL	hsl(235, 52%, 48%)
HSV	hsv(235, 68%, 73%)
CMYK	cmyk(68.3%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(35.46, 34.43, -62.91)
CIE-LCH	lch(35.46, 71.72, 298.69°)
OKLab	oklab(45.74% 0.0097 -0.1815)
OKLCH	oklch(45.74% 0.182 273.1)
XYZ	xyz(12.7917, 8.7300, 47.4558)
Luminance	0.0873 (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

#3B45BA #BAB03B

analogous

#3B84BA #3B45BA #713BBA

triadic

#3B45BA #BA3B45 #45BA3B

tetradic

#3B45BA #BA3B84 #BAB03B #3BBA71

square

#3B45BA #BA3B84 #BAB03B #3BBA71

split-complementary

#3B45BA #BA713B #84BA3B

monochromatic

#1E235D #2C348C #3B45BA #646DCE #9399DD

Accessibility & contrast

On white

7.65

#3B45BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3B45BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B45BA

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45BA	#FFFFFF	#000000	##FFFFFF
##3B45BA	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b45ba;
/* rgb */ color: rgb(59, 69, 186);
/* oklch */ color: oklch(45.7% 0.182 273.1);

Tailwind

colors: {
  custom: {
    50: '#8179d0',
    500: '#3b45ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b45ba;
$custom-light: #8179d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45ba",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 235.276,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45744,
    "c": 0.18179,
    "h": 273.1
  },
  "luminance": 0.08731
}

Semantic roles & 50–950 ramp

primary

#3B45BA

secondary

#C8C389

accent

#D04DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3B45BA

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

Preview Lab → · Contrast checker → · Palette generator →