#5540BF#5540BF

#5540BF is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.2% C 0.189 H 284.0°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#5540BF
RGB	rgb(85, 64, 191)
HSL	hsl(250, 50%, 50%)
HSV	hsv(250, 66%, 75%)
CMYK	cmyk(55.5%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(36.67, 43.08, -63.80)
CIE-LCH	lch(36.67, 76.98, 304.03°)
OKLab	oklab(47.24% 0.0459 -0.1834)
OKLCH	oklch(47.24% 0.189 284)
XYZ	xyz(14.9808, 9.3588, 50.2971)
Luminance	0.0936 (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

#5540BF #AABF40

analogous

#406BBF #5540BF #9440BF

triadic

#5540BF #BF5540 #40BF55

tetradic

#5540BF #BF406B #AABF40 #40BF94

square

#5540BF #BF406B #AABF40 #40BF94

split-complementary

#5540BF #BF9440 #6BBF40

monochromatic

#2C2163 #413191 #5540BF #7E6ECE #A79CDE

Accessibility & contrast

On white

7.31

#5540BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#5540BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5540BF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5540BF	#FFFFFF	#000000	##FFFFFF
##5540BF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#0052BD

Tritanopia (blue-blind)

#23607A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #5540bf;
/* rgb */ color: rgb(85, 64, 191);
/* oklch */ color: oklch(47.2% 0.189 284.0);

Tailwind

colors: {
  custom: {
    50: '#8f76d3',
    500: '#5540bf',
    950: '#000000',
  },
}

SCSS

$custom: #5540bf;
$custom-light: #8f76d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5540bf",
  "rgb": {
    "r": 85,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 249.921,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.47242,
    "c": 0.18906,
    "h": 284
  },
  "luminance": 0.0936
}

Semantic roles & 50–950 ramp

primary

#5540BF

secondary

#C0CA91

accent

#D94EC2

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #5540BF

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

Preview Lab → · Contrast checker → · Palette generator →