#5753BB#5753BB

#5753BB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.159 H 280.8°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#5753BB
RGB	rgb(87, 83, 187)
HSL	hsl(242, 43%, 53%)
HSV	hsv(242, 56%, 73%)
CMYK	cmyk(53.5%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(40.90, 30.78, -54.58)
CIE-LCH	lch(40.90, 62.66, 299.42°)
OKLab	oklab(50.29% 0.0297 -0.1562)
OKLCH	oklch(50.29% 0.159 280.8)
XYZ	xyz(15.9906, 11.7996, 48.4390)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5753BB #B7BB53

analogous

#5383BB #5753BB #8B53BB

triadic

#5753BB #BB5753 #53BB57

tetradic

#5753BB #BB5383 #B7BB53 #53BB8B

square

#5753BB #BB5383 #B7BB53 #53BB8B

split-complementary

#5753BB #BB8B53 #83BB53

monochromatic

#2C2A6A #3F3B96 #5753BB #827FCC #ADABDE

Accessibility & contrast

On white

6.25

#5753BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#5753BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5753BB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5753BB	#FFFFFF	#000000	##FFFFFF
##5753BB	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C64BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#2B6B7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5753bb;
/* rgb */ color: rgb(87, 83, 187);
/* oklch */ color: oklch(50.3% 0.159 280.8);

Tailwind

colors: {
  custom: {
    50: '#8e83d0',
    500: '#5753bb',
    950: '#000000',
  },
}

SCSS

$custom: #5753bb;
$custom-light: #8e83d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5753bb",
  "rgb": {
    "r": 87,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 242.308,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50289,
    "c": 0.15896,
    "h": 280.8
  },
  "luminance": 0.11801
}

Semantic roles & 50–950 ramp

primary

#5753BB

secondary

#CACB9E

accent

#D355CE

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5753BB

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

Preview Lab → · Contrast checker → · Palette generator →