#5F57DD#5F57DD

#5F57DD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.2% C 0.198 H 280.2°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5F57DD
RGB	rgb(95, 87, 221)
HSL	hsl(244, 66%, 60%)
HSV	hsv(244, 61%, 87%)
CMYK	cmyk(57%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(44.90, 40.62, -67.68)
CIE-LCH	lch(44.90, 78.93, 300.97°)
OKLab	oklab(54.17% 0.0349 -0.1944)
OKLCH	oklch(54.17% 0.198 280.2)
XYZ	xyz(21.1746, 14.4683, 70.0695)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57DD #D5DD57

analogous

#5792DD #5F57DD #A257DD

triadic

#5F57DD #DD5F57 #57DD5F

tetradic

#5F57DD #DD5792 #D5DD57 #57DDA2

square

#5F57DD #DD5792 #D5DD57 #57DDA2

split-complementary

#5F57DD #DDA257 #92DD57

monochromatic

#271F9A #332ACD #5F57DD #8F8AE7 #C0BDF2

Accessibility & contrast

On white

5.39

#5F57DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5F57DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57DD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57DD	#FFFFFF	#000000	##FFFFFF
##5F57DD	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0065DA

Tritanopia (blue-blind)

#147892

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5f57dd;
/* rgb */ color: rgb(95, 87, 221);
/* oklch */ color: oklch(54.2% 0.198 280.2);

Tailwind

colors: {
  custom: {
    50: '#9887e8',
    500: '#5f57dd',
    950: '#000000',
  },
}

SCSS

$custom: #5f57dd;
$custom-light: #9887e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57dd",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 243.582,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.54172,
    "c": 0.19754,
    "h": 280.2
  },
  "luminance": 0.1447
}

Semantic roles & 50–950 ramp

primary

#5F57DD

secondary

#DEE1AE

accent

#CE17C3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B16

muted

#7E7C84

Preview Lab

Preview with #5F57DD

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

Preview Lab → · Contrast checker → · Palette generator →