#5766DB#5766DB

#5766DB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.1% C 0.178 H 273.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#5766DB
RGB	rgb(87, 102, 219)
HSL	hsl(233, 65%, 60%)
HSV	hsv(233, 60%, 86%)
CMYK	cmyk(60.3%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.81, 29.46, -61.85)
CIE-LCH	lch(47.81, 68.51, 295.47°)
OKLab	oklab(56.15% 0.0116 -0.1774)
OKLCH	oklch(56.15% 0.178 273.7)
XYZ	xyz(21.4638, 16.6417, 69.0852)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766DB #DBCC57

analogous

#57A8DB #5766DB #8A57DB

triadic

#5766DB #DB5766 #66DB57

tetradic

#5766DB #DB57A8 #DBCC57 #57DB8A

square

#5766DB #DB57A8 #DBCC57 #57DB8A

split-complementary

#5766DB #DB8A57 #A8DB57

monochromatic

#202E97 #2B3DCA #5766DB #8994E6 #BCC2F1

Accessibility & contrast

On white

4.85

#5766DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#5766DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766DB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766DB	#FFFFFF	#000000	##FFFFFF
##5766DB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1877DF

Deuteranopia (green-blind)

#006CD9

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5766db;
/* rgb */ color: rgb(87, 102, 219);
/* oklch */ color: oklch(56.1% 0.178 273.7);

Tailwind

colors: {
  custom: {
    50: '#9291e7',
    500: '#5766db',
    950: '#000000',
  },
}

SCSS

$custom: #5766db;
$custom-light: #9291e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5766db",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 233.182,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.56145,
    "c": 0.17776,
    "h": 273.7
  },
  "luminance": 0.16643
}

Semantic roles & 50–950 ramp

primary

#5766DB

secondary

#E0DBAD

accent

#D540E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766DB

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

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