#57BBD5#57BBD5

#57BBD5 is a light, moderate cyan. Relative luminance 0.424; OKLCH L 74.2% C 0.100 H 217.4°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#57BBD5
RGB	rgb(87, 187, 213)
HSL	hsl(192, 60%, 59%)
HSV	hsv(192, 59%, 84%)
CMYK	cmyk(59.2%, 12.2%, 0%, 16.5%)
CIE-LAB	lab(71.12, -21.62, -21.86)
CIE-LCH	lch(71.12, 30.74, 225.31°)
OKLab	oklab(74.25% -0.0793 -0.0607)
OKLCH	oklch(74.25% 0.1 217.4)
XYZ	xyz(33.7062, 42.3676, 69.3393)
Luminance	0.4237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBD5 #D57157

analogous

#57D5B0 #57BBD5 #577CD5

triadic

#57BBD5 #D557BB #BBD557

tetradic

#57BBD5 #B057D5 #D57157 #7CD557

square

#57BBD5 #B057D5 #D57157 #7CD557

split-complementary

#57BBD5 #D5577C #D5B057

monochromatic

#24788E #30A1BF #57BBD5 #88CFE1 #B9E3ED

Accessibility & contrast

On white

2.22

#57BBD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#57BBD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBD5

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBD5	#FFFFFF	#000000	##000000
##57BBD5	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D6

Deuteranopia (green-blind)

#97A8D5

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #57bbd5;
/* rgb */ color: rgb(87, 187, 213);
/* oklch */ color: oklch(74.2% 0.100 217.4);

Tailwind

colors: {
  custom: {
    50: '#92cfe2',
    500: '#57bbd5',
    950: '#000000',
  },
}

SCSS

$custom: #57bbd5;
$custom-light: #92cfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbd5",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 213
  },
  "hsl": {
    "h": 192.381,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.74249,
    "c": 0.09983,
    "h": 217.4
  },
  "luminance": 0.42371
}

Semantic roles & 50–950 ramp

primary

#57BBD5

secondary

#DDB5AB

accent

#6545E3

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #57BBD5

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

Preview Lab → · Contrast checker → · Palette generator →