#5751CC#5751CC

#5751CC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.2% C 0.184 H 279.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#5751CC
RGB	rgb(87, 81, 204)
HSL	hsl(243, 55%, 56%)
HSV	hsv(243, 60%, 80%)
CMYK	cmyk(57.4%, 60.3%, 0%, 20%)
CIE-LAB	lab(41.64, 37.44, -63.25)
CIE-LCH	lch(41.64, 73.50, 300.62°)
OKLab	oklab(51.23% 0.0315 -0.1817)
OKLCH	oklch(51.23% 0.184 279.8)
XYZ	xyz(17.7686, 12.2695, 58.5470)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751CC #C6CC51

analogous

#5188CC #5751CC #9451CC

triadic

#5751CC #CC5751 #51CC57

tetradic

#5751CC #CC5188 #C6CC51 #51CC94

square

#5751CC #CC5188 #C6CC51 #51CC94

split-complementary

#5751CC #CC9451 #88CC51

monochromatic

#29257E #3933AD #5751CC #8580DA #B2B0E8

Accessibility & contrast

On white

6.08

#5751CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#5751CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751CC

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751CC	#FFFFFF	#000000	##FFFFFF
##5751CC	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#116F87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5751cc;
/* rgb */ color: rgb(87, 81, 204);
/* oklch */ color: oklch(51.2% 0.184 279.8);

Tailwind

colors: {
  custom: {
    50: '#9182dc',
    500: '#5751cc',
    950: '#000000',
  },
}

SCSS

$custom: #5751cc;
$custom-light: #9182dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5751cc",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 242.927,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51228,
    "c": 0.1844,
    "h": 279.8
  },
  "luminance": 0.12271
}

Semantic roles & 50–950 ramp

primary

#5751CC

secondary

#D3D6A3

accent

#DE4AD7

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5751CC

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

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