#3B45B9#3B45B9

#3B45B9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.180 H 273.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3B45B9
RGB	rgb(59, 69, 185)
HSL	hsl(235, 52%, 48%)
HSV	hsv(235, 68%, 73%)
CMYK	cmyk(68.1%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(35.38, 34.08, -62.46)
CIE-LCH	lch(35.38, 71.15, 298.61°)
OKLab	oklab(45.66% 0.0097 -0.1802)
OKLCH	oklch(45.66% 0.18 273.1)
XYZ	xyz(12.6858, 8.6877, 46.8979)
Luminance	0.0869 (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

#3B45B9 #B9AF3B

analogous

#3B84B9 #3B45B9 #703BB9

triadic

#3B45B9 #B93B45 #45B93B

tetradic

#3B45B9 #B93B84 #B9AF3B #3BB970

square

#3B45B9 #B93B84 #B9AF3B #3BB970

split-complementary

#3B45B9 #B9703B #84B93B

monochromatic

#1D225C #2C348B #3B45B9 #646CCD #9298DC

Accessibility & contrast

On white

7.67

#3B45B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3B45B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B45B9

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45B9	#FFFFFF	#000000	##FFFFFF
##3B45B9	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b45b9;
/* rgb */ color: rgb(59, 69, 185);
/* oklch */ color: oklch(45.7% 0.180 273.1);

Tailwind

colors: {
  custom: {
    50: '#8178cf',
    500: '#3b45b9',
    950: '#000000',
  },
}

SCSS

$custom: #3b45b9;
$custom-light: #8178cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45b9",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 235.238,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45657,
    "c": 0.18046,
    "h": 273.1
  },
  "luminance": 0.08689
}

Semantic roles & 50–950 ramp

primary

#3B45B9

secondary

#C7C288

accent

#D04DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3B45B9

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

Preview Lab → · Contrast checker → · Palette generator →