#5C57CF#5C57CF

#5C57CF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.9% C 0.180 H 280.2°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5C57CF
RGB	rgb(92, 87, 207)
HSL	hsl(243, 56%, 58%)
HSV	hsv(243, 58%, 81%)
CMYK	cmyk(55.6%, 58%, 0%, 18.8%)
CIE-LAB	lab(43.65, 35.67, -61.71)
CIE-LCH	lch(43.65, 71.27, 300.03°)
OKLab	oklab(52.87% 0.0317 -0.177)
OKLCH	oklch(52.87% 0.18 280.2)
XYZ	xyz(19.0808, 13.5955, 60.6381)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C57CF #CACF57

analogous

#578ECF #5C57CF #9857CF

triadic

#5C57CF #CF5C57 #57CF5C

tetradic

#5C57CF #CF578E #CACF57 #57CF98

square

#5C57CF #CF578E #CACF57 #57CF98

split-complementary

#5C57CF #CF9857 #8ECF57

monochromatic

#2A2685 #3934B5 #5C57CF #8A87DD #B8B6EA

Accessibility & contrast

On white

5.65

#5C57CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#5C57CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5C57CF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C57CF	#FFFFFF	#000000	##FFFFFF
##5C57CF	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#21738A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5c57cf;
/* rgb */ color: rgb(92, 87, 207);
/* oklch */ color: oklch(52.9% 0.180 280.2);

Tailwind

colors: {
  custom: {
    50: '#9486de',
    500: '#5c57cf',
    950: '#000000',
  },
}

SCSS

$custom: #5c57cf;
$custom-light: #9486de;
$custom-dark: #000000;

JSON

{
  "hex": "#5c57cf",
  "rgb": {
    "r": 92,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 242.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52871,
    "c": 0.17978,
    "h": 280.2
  },
  "luminance": 0.13597
}

Semantic roles & 50–950 ramp

primary

#5C57CF

secondary

#D7D9A9

accent

#DF49D9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5C57CF

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

Preview Lab → · Contrast checker → · Palette generator →