#57A3DC#57A3DC

#57A3DC is a light, moderate cyan. Relative luminance 0.334; OKLCH L 69.0% C 0.113 H 243.1°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#57A3DC
RGB	rgb(87, 163, 220)
HSL	hsl(206, 66%, 60%)
HSV	hsv(206, 60%, 86%)
CMYK	cmyk(60.5%, 25.9%, 0%, 13.7%)
CIE-LAB	lab(64.47, -6.65, -35.95)
CIE-LCH	lch(64.47, 36.56, 259.52°)
OKLab	oklab(69.04% -0.0512 -0.101)
OKLCH	oklch(69.04% 0.113 243.1)
XYZ	xyz(29.9411, 33.3851, 72.5624)
Luminance	0.3339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3DC #DC9057

analogous

#57DCD2 #57A3DC #5761DC

triadic

#57A3DC #DC57A3 #A3DC57

tetradic

#57A3DC #D257DC #DC9057 #61DC57

square

#57A3DC #D257DC #DC9057 #61DC57

split-complementary

#57A3DC #DC5761 #DCD257

monochromatic

#206599 #2A86CB #57A3DC #8ABFE7 #BCDAF1

Accessibility & contrast

On white

2.74

#57A3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#57A3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3DC

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3DC	#FFFFFF	#000000	##000000
##57A3DC	1.00	2.74	7.68	7.68
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA4DF

Deuteranopia (green-blind)

#7896DB

Tritanopia (blue-blind)

#00B1B7

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57a3dc;
/* rgb */ color: rgb(87, 163, 220);
/* oklch */ color: oklch(69.0% 0.113 243.1);

Tailwind

colors: {
  custom: {
    50: '#91bee7',
    500: '#57a3dc',
    950: '#000000',
  },
}

SCSS

$custom: #57a3dc;
$custom-light: #91bee7;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3dc",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 220
  },
  "hsl": {
    "h": 205.714,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.69043,
    "c": 0.11323,
    "h": 243.1
  },
  "luminance": 0.33388
}

Semantic roles & 50–950 ramp

primary

#57A3DC

secondary

#E1C4AE

accent

#6618CD

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A3DC

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

Preview Lab → · Contrast checker → · Palette generator →