#4545B7#4545B7

#4545B7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.175 H 277.0°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#4545B7
RGB	rgb(69, 69, 183)
HSL	hsl(240, 45%, 49%)
HSV	hsv(240, 62%, 72%)
CMYK	cmyk(62.3%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(35.87, 34.88, -60.45)
CIE-LCH	lch(35.87, 69.80, 299.99°)
OKLab	oklab(46.14% 0.0215 -0.174)
OKLCH	oklch(46.14% 0.175 277)
XYZ	xyz(13.1268, 8.9393, 45.8243)
Luminance	0.0894 (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

#4545B7 #B7B745

analogous

#457EB7 #4545B7 #7E45B7

triadic

#4545B7 #B74545 #45B745

tetradic

#4545B7 #B7457E #B7B745 #45B77E

square

#4545B7 #B7457E #B7B745 #45B77E

split-complementary

#4545B7 #B77E45 #7EB745

monochromatic

#23235E #34348B #4545B7 #7070C9 #9D9DDA

Accessibility & contrast

On white

7.53

#4545B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4545B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4545B7

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4545B7	#FFFFFF	#000000	##FFFFFF
##4545B7	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BB

Deuteranopia (green-blind)

#004FB5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4545b7;
/* rgb */ color: rgb(69, 69, 183);
/* oklch */ color: oklch(46.1% 0.175 277.0);

Tailwind

colors: {
  custom: {
    50: '#8579cd',
    500: '#4545b7',
    950: '#000000',
  },
}

SCSS

$custom: #4545b7;
$custom-light: #8579cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4545b7",
  "rgb": {
    "r": 69,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 240,
    "s": 45.238,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46138,
    "c": 0.17536,
    "h": 277
  },
  "luminance": 0.0894
}

Semantic roles & 50–950 ramp

primary

#4545B7

secondary

#C6C692

accent

#D553D5

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4545B7

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

Preview Lab → · Contrast checker → · Palette generator →