#3D45B9#3D45B9

#3D45B9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.8% C 0.180 H 273.8°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D45B9
RGB	rgb(61, 69, 185)
HSL	hsl(236, 50%, 48%)
HSV	hsv(236, 67%, 73%)
CMYK	cmyk(67%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(35.50, 34.36, -62.26)
CIE-LCH	lch(35.50, 71.11, 298.89°)
OKLab	oklab(45.78% 0.012 -0.1795)
OKLCH	oklch(45.78% 0.18 273.8)
XYZ	xyz(12.8066, 8.7500, 46.9035)
Luminance	0.0875 (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

#3D45B9 #B9B13D

analogous

#3D83B9 #3D45B9 #733DB9

triadic

#3D45B9 #B93D45 #45B93D

tetradic

#3D45B9 #B93D83 #B9B13D #3DB973

square

#3D45B9 #B93D83 #B9B13D #3DB973

split-complementary

#3D45B9 #B9733D #83B93D

monochromatic

#1F235D #2E348B #3D45B9 #666DCD #9599DC

Accessibility & contrast

On white

7.64

#3D45B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3D45B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D45B9

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D45B9	#FFFFFF	#000000	##FFFFFF
##3D45B9	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3d45b9;
/* rgb */ color: rgb(61, 69, 185);
/* oklch */ color: oklch(45.8% 0.180 273.8);

Tailwind

colors: {
  custom: {
    50: '#8279cf',
    500: '#3d45b9',
    950: '#000000',
  },
}

SCSS

$custom: #3d45b9;
$custom-light: #8279cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d45b9",
  "rgb": {
    "r": 61,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 236.129,
    "s": 50.407,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4578,
    "c": 0.17995,
    "h": 273.8
  },
  "luminance": 0.08751
}

Semantic roles & 50–950 ramp

primary

#3D45B9

secondary

#C7C38B

accent

#D14EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3D45B9

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

Preview Lab → · Contrast checker → · Palette generator →