#5657DD#5657DD

#5657DD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.5% C 0.199 H 277.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5657DD
RGB	rgb(86, 87, 221)
HSL	hsl(240, 67%, 60%)
HSV	hsv(240, 61%, 87%)
CMYK	cmyk(61.1%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(44.25, 39.13, -68.75)
CIE-LCH	lch(44.25, 79.11, 299.65°)
OKLab	oklab(53.53% 0.0242 -0.1978)
OKLCH	oklch(53.53% 0.199 277)
XYZ	xyz(20.2929, 14.0137, 70.0281)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5657DD #DDDC56

analogous

#569ADD #5657DD #9956DD

triadic

#5657DD #DD5657 #57DD56

tetradic

#5657DD #DD569A #DDDC56 #56DD99

square

#5657DD #DD569A #DDDC56 #56DD99

split-complementary

#5657DD #DD9956 #9ADD56

monochromatic

#1F209A #292ACD #5657DD #898AE7 #BCBCF2

Accessibility & contrast

On white

5.52

#5657DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5657DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5657DD

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5657DD	#FFFFFF	#000000	##FFFFFF
##5657DD	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5657dd;
/* rgb */ color: rgb(86, 87, 221);
/* oklch */ color: oklch(53.5% 0.199 277.0);

Tailwind

colors: {
  custom: {
    50: '#9386e9',
    500: '#5657dd',
    950: '#000000',
  },
}

SCSS

$custom: #5657dd;
$custom-light: #9386e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5657dd",
  "rgb": {
    "r": 86,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 239.556,
    "s": 66.502,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53534,
    "c": 0.19931,
    "h": 277
  },
  "luminance": 0.14015
}

Semantic roles & 50–950 ramp

primary

#5657DD

secondary

#E1E1AE

accent

#CD17CE

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5657DD

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

Preview Lab → · Contrast checker → · Palette generator →