#57ADD1#57ADD1

#57ADD1 is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.8% C 0.098 H 227.9°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#57ADD1
RGB	rgb(87, 173, 209)
HSL	hsl(198, 57%, 58%)
HSV	hsv(198, 58%, 82%)
CMYK	cmyk(58.4%, 17.2%, 0%, 18%)
CIE-LAB	lab(66.91, -15.52, -26.10)
CIE-LCH	lch(66.91, 30.37, 239.27°)
OKLab	oklab(70.83% -0.0657 -0.0727)
OKLCH	oklch(70.83% 0.098 227.9)
XYZ	xyz(30.3782, 36.5139, 65.7562)
Luminance	0.3652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADD1 #D17B57

analogous

#57D1B8 #57ADD1 #5770D1

triadic

#57ADD1 #D157AD #ADD157

tetradic

#57ADD1 #B857D1 #D17B57 #70D157

square

#57ADD1 #B857D1 #D17B57 #70D157

split-complementary

#57ADD1 #D15770 #D1B857

monochromatic

#256B88 #3291B8 #57ADD1 #87C4DE #B7DCEB

Accessibility & contrast

On white

2.53

#57ADD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#57ADD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADD1

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADD1	#FFFFFF	#000000	##000000
##57ADD1	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAAD3

Deuteranopia (green-blind)

#899DD1

Tritanopia (blue-blind)

#00B7B9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57add1;
/* rgb */ color: rgb(87, 173, 209);
/* oklch */ color: oklch(70.8% 0.098 227.9);

Tailwind

colors: {
  custom: {
    50: '#90c5df',
    500: '#57add1',
    950: '#000000',
  },
}

SCSS

$custom: #57add1;
$custom-light: #90c5df;
$custom-dark: #000000;

JSON

{
  "hex": "#57add1",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 209
  },
  "hsl": {
    "h": 197.705,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.70834,
    "c": 0.09801,
    "h": 227.9
  },
  "luminance": 0.36517
}

Semantic roles & 50–950 ramp

primary

#57ADD1

secondary

#DAB8AA

accent

#7548E0

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57ADD1

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

Preview Lab → · Contrast checker → · Palette generator →