#4045BF#4045BF

#4045BF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.5% C 0.187 H 274.6°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#4045BF
RGB	rgb(64, 69, 191)
HSL	hsl(238, 50%, 50%)
HSV	hsv(238, 66%, 75%)
CMYK	cmyk(66.5%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(36.19, 36.84, -64.65)
CIE-LCH	lch(36.19, 74.41, 299.68°)
OKLab	oklab(46.49% 0.015 -0.1865)
OKLCH	oklch(46.49% 0.187 274.6)
XYZ	xyz(13.6433, 9.1066, 50.3189)
Luminance	0.0911 (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

#4045BF #BFBA40

analogous

#4084BF #4045BF #7B40BF

triadic

#4045BF #BF4045 #45BF40

tetradic

#4045BF #BF4084 #BFBA40 #40BF7B

square

#4045BF #BF4084 #BFBA40 #40BF7B

split-complementary

#4045BF #BF7B40 #84BF40

monochromatic

#212463 #313491 #4045BF #6E72CE #9C9EDE

Accessibility & contrast

On white

7.44

#4045BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4045BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045BF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045BF	#FFFFFF	#000000	##FFFFFF
##4045BF	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4045bf;
/* rgb */ color: rgb(64, 69, 191);
/* oklch */ color: oklch(46.5% 0.187 274.6);

Tailwind

colors: {
  custom: {
    50: '#8479d3',
    500: '#4045bf',
    950: '#000000',
  },
}

SCSS

$custom: #4045bf;
$custom-light: #8479d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4045bf",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 237.638,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46491,
    "c": 0.18709,
    "h": 274.6
  },
  "luminance": 0.09108
}

Semantic roles & 50–950 ramp

primary

#4045BF

secondary

#CAC891

accent

#D44ED9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4045BF

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

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