#5F66EE#5F66EE

#5F66EE is a mid, highly saturated blue. Relative luminance 0.181; OKLCH L 58.1% C 0.201 H 275.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#5F66EE
RGB	rgb(95, 102, 238)
HSL	hsl(237, 81%, 65%)
HSV	hsv(237, 60%, 93%)
CMYK	cmyk(60.1%, 57.1%, 0%, 6.7%)
CIE-LAB	lab(49.63, 37.06, -69.59)
CIE-LCH	lch(49.63, 78.84, 298.03°)
OKLab	oklab(58.05% 0.0208 -0.2)
OKLCH	oklch(58.05% 0.201 275.9)
XYZ	xyz(24.8983, 18.1067, 83.0552)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F66EE #EEE75F

analogous

#5FADEE #5F66EE #9F5FEE

triadic

#5F66EE #EE5F66 #66EE5F

tetradic

#5F66EE #EE5FAD #EEE75F #5FEE9F

square

#5F66EE #EE5FAD #EEE75F #5FEE9F

split-complementary

#5F66EE #EE9F5F #ADEE5F

monochromatic

#141DBE #2831E8 #5F66EE #969BF4 #CED0FA

Accessibility & contrast

On white

4.54

#5F66EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#5F66EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F66EE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F66EE	#FFFFFF	#000000	##000000
##5F66EE	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF3

Deuteranopia (green-blind)

#0070EB

Tritanopia (blue-blind)

#0087A0

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5f66ee;
/* rgb */ color: rgb(95, 102, 238);
/* oklch */ color: oklch(58.1% 0.201 275.9);

Tailwind

colors: {
  custom: {
    50: '#9991f4',
    500: '#5f66ee',
    950: '#000000',
  },
}

SCSS

$custom: #5f66ee;
$custom-light: #9991f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5f66ee",
  "rgb": {
    "r": 95,
    "g": 102,
    "b": 238
  },
  "hsl": {
    "h": 237.063,
    "s": 80.791,
    "l": 65.294
  },
  "oklch": {
    "l": 0.58051,
    "c": 0.20104,
    "h": 275.9
  },
  "luminance": 0.18109
}

Semantic roles & 50–950 ramp

primary

#5F66EE

secondary

#ECEABC

accent

#D308DD

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0D17

muted

#7F7D85

Preview Lab

Preview with #5F66EE

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

Preview Lab → · Contrast checker → · Palette generator →