#57ADD4#57ADD4

#57ADD4 is a light, moderate cyan. Relative luminance 0.367; OKLCH L 71.0% C 0.100 H 230.0°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#57ADD4
RGB	rgb(87, 173, 212)
HSL	hsl(199, 59%, 59%)
HSV	hsv(199, 59%, 83%)
CMYK	cmyk(59%, 18.4%, 0%, 16.9%)
CIE-LAB	lab(67.02, -14.60, -27.58)
CIE-LCH	lch(67.02, 31.21, 242.10°)
OKLab	oklab(70.96% -0.0646 -0.0769)
OKLCH	oklch(70.96% 0.1 230)
XYZ	xyz(30.7531, 36.6639, 67.7308)
Luminance	0.3667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADD4 #D47E57

analogous

#57D4BC #57ADD4 #576ED4

triadic

#57ADD4 #D457AD #ADD457

tetradic

#57ADD4 #BC57D4 #D47E57 #6ED457

square

#57ADD4 #BC57D4 #D47E57 #6ED457

split-complementary

#57ADD4 #D4576E #D4BC57

monochromatic

#246C8D #3091BD #57ADD4 #88C5E0 #B8DDED

Accessibility & contrast

On white

2.52

#57ADD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#57ADD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADD4

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADD4	#FFFFFF	#000000	##000000
##57ADD4	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ABD6

Deuteranopia (green-blind)

#889DD3

Tritanopia (blue-blind)

#00B8BA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57add4;
/* rgb */ color: rgb(87, 173, 212);
/* oklch */ color: oklch(71.0% 0.100 230.0);

Tailwind

colors: {
  custom: {
    50: '#91c5e1',
    500: '#57add4',
    950: '#000000',
  },
}

SCSS

$custom: #57add4;
$custom-light: #91c5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#57add4",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 198.72,
    "s": 59.242,
    "l": 58.627
  },
  "oklch": {
    "l": 0.70962,
    "c": 0.10048,
    "h": 230
  },
  "luminance": 0.36667
}

Semantic roles & 50–950 ramp

primary

#57ADD4

secondary

#DCBAAB

accent

#7645E2

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #57ADD4

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

Preview Lab → · Contrast checker → · Palette generator →