#5657EB#5657EB

#5657EB is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.7% C 0.217 H 276.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5657EB
RGB	rgb(86, 87, 235)
HSL	hsl(240, 79%, 63%)
HSV	hsv(240, 63%, 92%)
CMYK	cmyk(63.4%, 63%, 0%, 7.8%)
CIE-LAB	lab(45.35, 43.67, -74.90)
CIE-LCH	lch(45.35, 86.70, 300.24°)
OKLab	oklab(54.68% 0.0234 -0.2159)
OKLCH	oklch(54.68% 0.217 276.2)
XYZ	xyz(22.2364, 14.7911, 80.2643)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657EB #EBEA56

analogous

#56A2EB #5657EB #9F56EB

triadic

#5657EB #EB5657 #57EB56

tetradic

#5657EB #EB56A2 #EBEA56 #56EB9F

square

#5657EB #EB56A2 #EBEA56 #56EB9F

split-complementary

#5657EB #EB9F56 #A2EB56

monochromatic

#1516B2 #1F21E5 #5657EB #8D8DF1 #C3C4F8

Accessibility & contrast

On white

5.30

#5657EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#5657EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657EB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657EB	#FFFFFF	#000000	##FFFFFF
##5657EB	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F0

Deuteranopia (green-blind)

#0065E8

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5657eb;
/* rgb */ color: rgb(86, 87, 235);
/* oklch */ color: oklch(54.7% 0.217 276.2);

Tailwind

colors: {
  custom: {
    50: '#9587f3',
    500: '#5657eb',
    950: '#000000',
  },
}

SCSS

$custom: #5657eb;
$custom-light: #9587f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5657eb",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 239.597,
    "s": 78.836,
    "l": 62.941
  },
  "oklch": {
    "l": 0.54676,
    "c": 0.21715,
    "h": 276.2
  },
  "luminance": 0.14793
}

Semantic roles & 50–950 ramp

primary

#5657EB

secondary

#E9E9B4

accent

#DA0ADB

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5657EB

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

Preview Lab → · Contrast checker → · Palette generator →