#5F57CE#5F57CE

#5F57CE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.0% C 0.178 H 281.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5F57CE
RGB	rgb(95, 87, 206)
HSL	hsl(244, 55%, 57%)
HSV	hsv(244, 58%, 81%)
CMYK	cmyk(53.9%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(43.81, 35.92, -60.86)
CIE-LCH	lch(43.81, 70.67, 300.55°)
OKLab	oklab(53.02% 0.0354 -0.1744)
OKLCH	oklch(53.02% 0.178 281.5)
XYZ	xyz(19.2646, 13.7044, 60.0106)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57CE #C6CE57

analogous

#578ACE #5F57CE #9B57CE

triadic

#5F57CE #CE5F57 #57CE5F

tetradic

#5F57CE #CE578A #C6CE57 #57CE9B

square

#5F57CE #CE578A #C6CE57 #57CE9B

split-complementary

#5F57CE #CE9B57 #8ACE57

monochromatic

#2D2784 #3D34B3 #5F57CE #8C86DC #B9B6EA

Accessibility & contrast

On white

5.61

#5F57CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#5F57CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57CE

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57CE	#FFFFFF	#000000	##FFFFFF
##5F57CE	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#2D738A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5f57ce;
/* rgb */ color: rgb(95, 87, 206);
/* oklch */ color: oklch(53.0% 0.178 281.5);

Tailwind

colors: {
  custom: {
    50: '#9587de',
    500: '#5f57ce',
    950: '#000000',
  },
}

SCSS

$custom: #5f57ce;
$custom-light: #9587de;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57ce",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 244.034,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53024,
    "c": 0.17795,
    "h": 281.5
  },
  "luminance": 0.13706
}

Semantic roles & 50–950 ramp

primary

#5F57CE

secondary

#D5D8A8

accent

#DE4AD4

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5F57CE

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

Preview Lab → · Contrast checker → · Palette generator →