#5F57E9#5F57E9

#5F57E9 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 55.1% C 0.213 H 279.2°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#5F57E9
RGB	rgb(95, 87, 233)
HSL	hsl(243, 77%, 63%)
HSV	hsv(243, 63%, 91%)
CMYK	cmyk(59.2%, 62.7%, 0%, 8.6%)
CIE-LAB	lab(45.81, 44.38, -72.98)
CIE-LCH	lch(45.81, 85.42, 301.30°)
OKLab	oklab(55.13% 0.0342 -0.21)
OKLCH	oklch(55.13% 0.213 279.2)
XYZ	xyz(22.8308, 15.1308, 78.7924)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F57E9 #E1E957

analogous

#5798E9 #5F57E9 #A857E9

triadic

#5F57E9 #E95F57 #57E95F

tetradic

#5F57E9 #E95798 #E1E957 #57E9A8

square

#5F57E9 #E95798 #E1E957 #57E9A8

split-complementary

#5F57E9 #E9A857 #98E957

monochromatic

#1F17AF #2B21E2 #5F57E9 #938DF0 #C6C3F7

Accessibility & contrast

On white

5.22

#5F57E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#5F57E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F57E9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F57E9	#FFFFFF	#000000	##FFFFFF
##5F57E9	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EE

Deuteranopia (green-blind)

#0067E6

Tritanopia (blue-blind)

#007C98

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5f57e9;
/* rgb */ color: rgb(95, 87, 233);
/* oklch */ color: oklch(55.1% 0.213 279.2);

Tailwind

colors: {
  custom: {
    50: '#9987f1',
    500: '#5f57e9',
    950: '#000000',
  },
}

SCSS

$custom: #5f57e9;
$custom-light: #9987f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5f57e9",
  "rgb": {
    "r": 95,
    "g": 87,
    "b": 233
  },
  "hsl": {
    "h": 243.288,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55128,
    "c": 0.21278,
    "h": 279.2
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#5F57E9

secondary

#E5E8B3

accent

#D90CCE

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5F57E9

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

Preview Lab → · Contrast checker → · Palette generator →