#5F57CD#5F57CD

#5F57CD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.9% C 0.177 H 281.6°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#5F57CD
RGB	rgb(95, 87, 205)
HSL	hsl(244, 54%, 57%)
HSV	hsv(244, 58%, 80%)
CMYK	cmyk(53.7%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(43.74, 35.61, -60.40)
CIE-LCH	lch(43.74, 70.12, 300.52°)
OKLab	oklab(52.95% 0.0354 -0.173)
OKLCH	oklch(52.95% 0.177 281.6)
XYZ	xyz(19.1436, 13.6559, 59.3729)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57CD #C5CD57

analogous

#578ACD #5F57CD #9A57CD

triadic

#5F57CD #CD5F57 #57CD5F

tetradic

#5F57CD #CD578A #C5CD57 #57CD9A

square

#5F57CD #CD578A #C5CD57 #57CD9A

split-complementary

#5F57CD #CD9A57 #8ACD57

monochromatic

#2D2783 #3D35B2 #5F57CD #8C86DB #B9B5E9

Accessibility & contrast

On white

5.63

#5F57CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5F57CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57CD

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57CD	#FFFFFF	#000000	##FFFFFF
##5F57CD	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#2E7289

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5f57cd;
/* rgb */ color: rgb(95, 87, 205);
/* oklch */ color: oklch(52.9% 0.177 281.6);

Tailwind

colors: {
  custom: {
    50: '#9586dd',
    500: '#5f57cd',
    950: '#000000',
  },
}

SCSS

$custom: #5f57cd;
$custom-light: #9586dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57cd",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 244.068,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5295,
    "c": 0.17662,
    "h": 281.6
  },
  "luminance": 0.13657
}

Semantic roles & 50–950 ramp

primary

#5F57CD

secondary

#D5D8A8

accent

#DD4AD4

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5F57CD

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

Preview Lab → · Contrast checker → · Palette generator →