#5A51CC#5A51CC

#5A51CC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.5% C 0.184 H 281.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5A51CC
RGB	rgb(90, 81, 204)
HSL	hsl(244, 55%, 56%)
HSV	hsv(244, 60%, 80%)
CMYK	cmyk(55.9%, 60.3%, 0%, 20%)
CIE-LAB	lab(41.87, 37.98, -62.87)
CIE-LCH	lch(41.87, 73.45, 301.13°)
OKLab	oklab(51.46% 0.0352 -0.1805)
OKLCH	oklch(51.46% 0.184 281.1)
XYZ	xyz(18.0546, 12.4170, 58.5604)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A51CC #C3CC51

analogous

#5185CC #5A51CC #9751CC

triadic

#5A51CC #CC5A51 #51CC5A

tetradic

#5A51CC #CC5185 #C3CC51 #51CC97

square

#5A51CC #CC5185 #C3CC51 #51CC97

split-complementary

#5A51CC #CC9751 #85CC51

monochromatic

#2B257E #3C33AD #5A51CC #8780DA #B4B0E8

Accessibility & contrast

On white

6.03

#5A51CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5A51CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A51CC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A51CC	#FFFFFF	#000000	##FFFFFF
##5A51CC	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#206F87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5a51cc;
/* rgb */ color: rgb(90, 81, 204);
/* oklch */ color: oklch(51.5% 0.184 281.1);

Tailwind

colors: {
  custom: {
    50: '#9382dc',
    500: '#5a51cc',
    950: '#000000',
  },
}

SCSS

$custom: #5a51cc;
$custom-light: #9382dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5a51cc",
  "rgb": {
    "r": 90,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 244.39,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51455,
    "c": 0.18388,
    "h": 281.1
  },
  "luminance": 0.12418
}

Semantic roles & 50–950 ramp

primary

#5A51CC

secondary

#D2D6A3

accent

#DE4AD3

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5A51CC

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

Preview Lab → · Contrast checker → · Palette generator →