#4540BF#4540BF

#4540BF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.192 H 277.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#4540BF
RGB	rgb(69, 64, 191)
HSL	hsl(242, 50%, 50%)
HSV	hsv(242, 66%, 75%)
CMYK	cmyk(63.9%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(35.39, 40.60, -65.95)
CIE-LCH	lch(35.39, 77.44, 301.62°)
OKLab	oklab(45.99% 0.0249 -0.1902)
OKLCH	oklch(45.99% 0.192 277.5)
XYZ	xyz(13.6886, 8.6925, 50.2366)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4540BF #BABF40

analogous

#407BBF #4540BF #8440BF

triadic

#4540BF #BF4540 #40BF45

tetradic

#4540BF #BF407B #BABF40 #40BF84

square

#4540BF #BF407B #BABF40 #40BF84

split-complementary

#4540BF #BF8440 #7BBF40

monochromatic

#242163 #343191 #4540BF #726ECE #9E9CDE

Accessibility & contrast

On white

7.67

#4540BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4540BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540BF

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540BF	#FFFFFF	#000000	##FFFFFF
##4540BF	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)

#0059C3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4540bf;
/* rgb */ color: rgb(69, 64, 191);
/* oklch */ color: oklch(46.0% 0.192 277.5);

Tailwind

colors: {
  custom: {
    50: '#8776d3',
    500: '#4540bf',
    950: '#000000',
  },
}

SCSS

$custom: #4540bf;
$custom-light: #8776d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4540bf",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 242.362,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.45994,
    "c": 0.19181,
    "h": 277.5
  },
  "luminance": 0.08694
}

Semantic roles & 50–950 ramp

primary

#4540BF

secondary

#C8CA91

accent

#D94ED4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4540BF

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

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