#5F57BF#5F57BF

#5F57BF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.158 H 282.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5F57BF
RGB	rgb(95, 87, 191)
HSL	hsl(245, 45%, 55%)
HSV	hsv(245, 54%, 75%)
CMYK	cmyk(50.3%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(42.78, 31.25, -53.85)
CIE-LCH	lch(42.78, 62.26, 300.13°)
OKLab	oklab(51.93% 0.0352 -0.1537)
OKLCH	oklch(51.93% 0.158 282.9)
XYZ	xyz(17.5286, 13.0100, 50.8677)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57BF #B7BF57

analogous

#5783BF #5F57BF #9357BF

triadic

#5F57BF #BF5F57 #57BF5F

tetradic

#5F57BF #BF5783 #B7BF57 #57BF93

square

#5F57BF #BF5783 #B7BF57 #57BF93

split-complementary

#5F57BF #BF9357 #83BF57

monochromatic

#302B71 #433C9D #5F57BF #8983D0 #B3B0E1

Accessibility & contrast

On white

5.83

#5F57BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5F57BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57BF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57BF	#FFFFFF	#000000	##FFFFFF
##5F57BF	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B68C3

Deuteranopia (green-blind)

#1062BD

Tritanopia (blue-blind)

#3B6E82

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5f57bf;
/* rgb */ color: rgb(95, 87, 191);
/* oklch */ color: oklch(51.9% 0.158 282.9);

Tailwind

colors: {
  custom: {
    50: '#9386d3',
    500: '#5f57bf',
    950: '#000000',
  },
}

SCSS

$custom: #5f57bf;
$custom-light: #9386d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57bf",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 244.615,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51935,
    "c": 0.15773,
    "h": 282.9
  },
  "luminance": 0.13011
}

Semantic roles & 50–950 ramp

primary

#5F57BF

secondary

#CCCFA3

accent

#D553CB

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #5F57BF

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

Preview Lab → · Contrast checker → · Palette generator →