#5751BD#5751BD

#5751BD is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.164 H 281.2°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#5751BD
RGB	rgb(87, 81, 189)
HSL	hsl(243, 45%, 53%)
HSV	hsv(243, 57%, 74%)
CMYK	cmyk(54%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(40.55, 32.66, -56.31)
CIE-LCH	lch(40.55, 65.10, 300.11°)
OKLab	oklab(50.08% 0.0318 -0.1613)
OKLCH	oklch(50.08% 0.164 281.2)
XYZ	xyz(16.0554, 11.5842, 49.5242)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751BD #B7BD51

analogous

#5181BD #5751BD #8D51BD

triadic

#5751BD #BD5751 #51BD57

tetradic

#5751BD #BD5181 #B7BD51 #51BD8D

square

#5751BD #BD5181 #B7BD51 #51BD8D

split-complementary

#5751BD #BD8D51 #81BD51

monochromatic

#2C296B #3F3997 #5751BD #827DCE #ADAADF

Accessibility & contrast

On white

6.33

#5751BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#5751BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751BD

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751BD	#FFFFFF	#000000	##FFFFFF
##5751BD	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#296A7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5751bd;
/* rgb */ color: rgb(87, 81, 189);
/* oklch */ color: oklch(50.1% 0.164 281.2);

Tailwind

colors: {
  custom: {
    50: '#8f82d2',
    500: '#5751bd',
    950: '#000000',
  },
}

SCSS

$custom: #5751bd;
$custom-light: #8f82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5751bd",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 243.333,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50075,
    "c": 0.16439,
    "h": 281.2
  },
  "luminance": 0.11585
}

Semantic roles & 50–950 ramp

primary

#5751BD

secondary

#CACC9E

accent

#D553CD

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5751BD

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

Preview Lab → · Contrast checker → · Palette generator →