#5657F3#5657F3

#5657F3 is a mid, highly saturated blue. Relative luminance 0.153; OKLCH L 55.3% C 0.227 H 275.7°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#5657F3
RGB	rgb(86, 87, 243)
HSL	hsl(240, 87%, 65%)
HSV	hsv(240, 65%, 95%)
CMYK	cmyk(64.6%, 64.2%, 0%, 4.7%)
CIE-LAB	lab(45.99, 46.24, -78.34)
CIE-LCH	lch(45.99, 90.97, 300.55°)
OKLab	oklab(55.35% 0.0228 -0.226)
OKLCH	oklch(55.35% 0.227 275.7)
XYZ	xyz(23.4183, 15.2639, 86.4888)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657F3 #F3F256

analogous

#56A6F3 #5657F3 #A456F3

triadic

#5657F3 #F35657 #57F356

tetradic

#5657F3 #F356A6 #F3F256 #56F3A4

square

#5657F3 #F356A6 #F3F256 #56F3A4

split-complementary

#5657F3 #F3A456 #A6F356

monochromatic

#0E0FC1 #1D1EEF #5657F3 #8F90F7 #C8C9FB

Accessibility & contrast

On white

5.18

#5657F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#5657F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657F3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657F3	#FFFFFF	#000000	##FFFFFF
##5657F3	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F8

Deuteranopia (green-blind)

#0066F0

Tritanopia (blue-blind)

#007F9D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5657f3;
/* rgb */ color: rgb(86, 87, 243);
/* oklch */ color: oklch(55.3% 0.227 275.7);

Tailwind

colors: {
  custom: {
    50: '#9787f8',
    500: '#5657f3',
    950: '#000000',
  },
}

SCSS

$custom: #5657f3;
$custom-light: #9787f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5657f3",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 243
  },
  "hsl": {
    "h": 239.618,
    "s": 86.74,
    "l": 64.51
  },
  "oklch": {
    "l": 0.55348,
    "c": 0.22712,
    "h": 275.7
  },
  "luminance": 0.15266
}

Semantic roles & 50–950 ramp

primary

#5657F3

secondary

#EDEDB7

accent

#E202E3

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5657F3

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

Preview Lab → · Contrast checker → · Palette generator →