#5758EF#5758EF

#5758EF is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.2% C 0.221 H 276.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#5758EF
RGB	rgb(87, 88, 239)
HSL	hsl(240, 83%, 64%)
HSV	hsv(240, 64%, 94%)
CMYK	cmyk(63.6%, 63.2%, 0%, 6.3%)
CIE-LAB	lab(45.96, 44.51, -76.15)
CIE-LCH	lch(45.96, 88.21, 300.30°)
OKLab	oklab(55.24% 0.0235 -0.2195)
OKLCH	oklch(55.24% 0.221 276.1)
XYZ	xyz(22.9951, 15.2357, 83.3736)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758EF #EFEE57

analogous

#57A4EF #5758EF #A257EF

triadic

#5758EF #EF5758 #58EF57

tetradic

#5758EF #EF57A4 #EFEE57 #57EFA2

square

#5758EF #EF57A4 #EFEE57 #57EFA2

split-complementary

#5758EF #EFA257 #A4EF57

monochromatic

#1213BA #1F20EA #5758EF #8F90F4 #C7C7FA

Accessibility & contrast

On white

5.19

#5758EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#5758EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758EF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758EF	#FFFFFF	#000000	##FFFFFF
##5758EF	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F4

Deuteranopia (green-blind)

#0066EC

Tritanopia (blue-blind)

#007F9C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5758ef;
/* rgb */ color: rgb(87, 88, 239);
/* oklch */ color: oklch(55.2% 0.221 276.1);

Tailwind

colors: {
  custom: {
    50: '#9687f5',
    500: '#5758ef',
    950: '#000000',
  },
}

SCSS

$custom: #5758ef;
$custom-light: #9687f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5758ef",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 239
  },
  "hsl": {
    "h": 239.605,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.55237,
    "c": 0.22079,
    "h": 276.1
  },
  "luminance": 0.15238
}

Semantic roles & 50–950 ramp

primary

#5758EF

secondary

#ECEBB6

accent

#DE06DF

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5758EF

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

Preview Lab → · Contrast checker → · Palette generator →