#5751DD#5751DD

#5751DD is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.6% C 0.206 H 278.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#5751DD
RGB	rgb(87, 81, 221)
HSL	hsl(243, 67%, 59%)
HSV	hsv(243, 63%, 87%)
CMYK	cmyk(60.6%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(42.96, 42.87, -70.86)
CIE-LCH	lch(42.96, 82.82, 301.17°)
OKLab	oklab(52.6% 0.0305 -0.204)
OKLCH	oklch(52.6% 0.206 278.5)
XYZ	xyz(19.9199, 13.1300, 69.8772)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751DD #D7DD51

analogous

#5191DD #5751DD #9D51DD

triadic

#5751DD #DD5751 #51DD57

tetradic

#5751DD #DD5191 #D7DD51 #51DD9D

square

#5751DD #DD5191 #D7DD51 #51DD9D

split-complementary

#5751DD #DD9D51 #91DD51

monochromatic

#231D96 #2E27C9 #5751DD #8884E7 #BAB7F1

Accessibility & contrast

On white

5.79

#5751DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5751DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751DD

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751DD	#FFFFFF	#000000	##FFFFFF
##5751DD	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE1

Deuteranopia (green-blind)

#0060DA

Tritanopia (blue-blind)

#007490

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5751dd;
/* rgb */ color: rgb(87, 81, 221);
/* oklch */ color: oklch(52.6% 0.206 278.5);

Tailwind

colors: {
  custom: {
    50: '#9482e9',
    500: '#5751dd',
    950: '#000000',
  },
}

SCSS

$custom: #5751dd;
$custom-light: #9482e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5751dd",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 242.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52604,
    "c": 0.2063,
    "h": 278.5
  },
  "luminance": 0.13132
}

Semantic roles & 50–950 ramp

primary

#5751DD

secondary

#DEE0AA

accent

#EA3EE3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5751DD

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

Preview Lab → · Contrast checker → · Palette generator →