#5751CE#5751CE

#5751CE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.4% C 0.187 H 279.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5751CE
RGB	rgb(87, 81, 206)
HSL	hsl(243, 56%, 56%)
HSV	hsv(243, 61%, 81%)
CMYK	cmyk(57.8%, 60.7%, 0%, 19.2%)
CIE-LAB	lab(41.79, 38.08, -64.16)
CIE-LCH	lch(41.79, 74.61, 300.69°)
OKLab	oklab(51.39% 0.0314 -0.1844)
OKLCH	oklch(51.39% 0.187 279.7)
XYZ	xyz(18.0100, 12.3661, 59.8184)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751CE #C8CE51

analogous

#518ACE #5751CE #9651CE

triadic

#5751CE #CE5751 #51CE57

tetradic

#5751CE #CE518A #C8CE51 #51CE96

square

#5751CE #CE518A #C8CE51 #51CE96

split-complementary

#5751CE #CE9651 #8ACE51

monochromatic

#292480 #3832B0 #5751CE #8581DB #B3B1E9

Accessibility & contrast

On white

6.05

#5751CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5751CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751CE

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751CE	#FFFFFF	#000000	##FFFFFF
##5751CE	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D2

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#0A6F88

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5751ce;
/* rgb */ color: rgb(87, 81, 206);
/* oklch */ color: oklch(51.4% 0.187 279.7);

Tailwind

colors: {
  custom: {
    50: '#9182de',
    500: '#5751ce',
    950: '#000000',
  },
}

SCSS

$custom: #5751ce;
$custom-light: #9182de;
$custom-dark: #000000;

JSON

{
  "hex": "#5751ce",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 206
  },
  "hsl": {
    "h": 242.88,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51386,
    "c": 0.18702,
    "h": 279.7
  },
  "luminance": 0.12367
}

Semantic roles & 50–950 ramp

primary

#5751CE

secondary

#D5D7A4

accent

#DF48D8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5751CE

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

Preview Lab → · Contrast checker → · Palette generator →