#5F57CC#5F57CC

#5F57CC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.9% C 0.175 H 281.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5F57CC
RGB	rgb(95, 87, 204)
HSL	hsl(244, 53%, 57%)
HSV	hsv(244, 57%, 80%)
CMYK	cmyk(53.4%, 57.4%, 0%, 20%)
CIE-LAB	lab(43.67, 35.30, -59.94)
CIE-LCH	lch(43.67, 69.56, 300.49°)
OKLab	oklab(52.88% 0.0354 -0.1717)
OKLCH	oklch(52.88% 0.175 281.7)
XYZ	xyz(19.0232, 13.6078, 58.7392)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57CC #C4CC57

analogous

#5789CC #5F57CC #9A57CC

triadic

#5F57CC #CC5F57 #57CC5F

tetradic

#5F57CC #CC5789 #C4CC57 #57CC9A

square

#5F57CC #CC5789 #C4CC57 #57CC9A

split-complementary

#5F57CC #CC9A57 #89CC57

monochromatic

#2D2781 #3E36B0 #5F57CC #8C86DA #B8B5E9

Accessibility & contrast

On white

5.64

#5F57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#5F57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57CC

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57CC	#FFFFFF	#000000	##FFFFFF
##5F57CC	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#2F7289

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5f57cc;
/* rgb */ color: rgb(95, 87, 204);
/* oklch */ color: oklch(52.9% 0.175 281.7);

Tailwind

colors: {
  custom: {
    50: '#9586dc',
    500: '#5f57cc',
    950: '#000000',
  },
}

SCSS

$custom: #5f57cc;
$custom-light: #9586dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57cc",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 244.103,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52876,
    "c": 0.17529,
    "h": 281.7
  },
  "luminance": 0.13609
}

Semantic roles & 50–950 ramp

primary

#5F57CC

secondary

#D4D7A8

accent

#DD4BD3

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5F57CC

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

Preview Lab → · Contrast checker → · Palette generator →