#5751E5#5751E5

#5751E5 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.3% C 0.216 H 277.9°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5751E5
RGB	rgb(87, 81, 229)
HSL	hsl(242, 74%, 61%)
HSV	hsv(242, 65%, 90%)
CMYK	cmyk(62%, 64.6%, 0%, 10.2%)
CIE-LAB	lab(43.60, 45.41, -74.35)
CIE-LCH	lch(43.60, 87.12, 301.41°)
OKLab	oklab(53.27% 0.0298 -0.2143)
OKLCH	oklch(53.27% 0.216 277.9)
XYZ	xyz(21.0112, 13.5666, 75.6249)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751E5 #DFE551

analogous

#5195E5 #5751E5 #A151E5

triadic

#5751E5 #E55751 #51E557

tetradic

#5751E5 #E55195 #DFE551 #51E5A1

square

#5751E5 #E55195 #DFE551 #51E5A1

split-complementary

#5751E5 #E5A151 #95E551

monochromatic

#1E18A3 #2820D8 #5751E5 #8A86ED #BEBBF5

Accessibility & contrast

On white

5.65

#5751E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5751E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751E5

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751E5	#FFFFFF	#000000	##FFFFFF
##5751E5	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEA

Deuteranopia (green-blind)

#0061E2

Tritanopia (blue-blind)

#007794

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5751e5;
/* rgb */ color: rgb(87, 81, 229);
/* oklch */ color: oklch(53.3% 0.216 277.9);

Tailwind

colors: {
  custom: {
    50: '#9583ee',
    500: '#5751e5',
    950: '#000000',
  },
}

SCSS

$custom: #5751e5;
$custom-light: #9583ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5751e5",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 229
  },
  "hsl": {
    "h": 242.432,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.53274,
    "c": 0.21634,
    "h": 277.9
  },
  "luminance": 0.13568
}

Semantic roles & 50–950 ramp

primary

#5751E5

secondary

#E3E5AD

accent

#D60FCE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A17

muted

#7E7C85

Preview Lab

Preview with #5751E5

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

Preview Lab → · Contrast checker → · Palette generator →