#57C4F0#57C4F0

#57C4F0 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.117 H 227.8°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#57C4F0
RGB	rgb(87, 196, 240)
HSL	hsl(197, 84%, 64%)
HSV	hsv(197, 64%, 94%)
CMYK	cmyk(63.7%, 18.3%, 0%, 5.9%)
CIE-LAB	lab(74.69, -18.14, -31.03)
CIE-LCH	lch(74.69, 35.94, 239.69°)
OKLab	oklab(77.43% -0.0786 -0.0867)
OKLCH	oklch(77.43% 0.117 227.8)
XYZ	xyz(39.3924, 47.7932, 89.5702)
Luminance	0.4780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4F0 #F08357

analogous

#57F0D0 #57C4F0 #5778F0

triadic

#57C4F0 #F057C4 #C4F057

tetradic

#57C4F0 #D057F0 #F08357 #78F057

square

#57C4F0 #D057F0 #F08357 #78F057

split-complementary

#57C4F0 #F05778 #F0D057

monochromatic

#118BBC #1FB0EB #57C4F0 #8FD8F5 #C7EBFA

Accessibility & contrast

On white

1.99

#57C4F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#57C4F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4F0

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4F0	#FFFFFF	#000000	##000000
##57C4F0	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC1F2

Deuteranopia (green-blind)

#97B1EF

Tritanopia (blue-blind)

#00D1D2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #57c4f0;
/* rgb */ color: rgb(87, 196, 240);
/* oklch */ color: oklch(77.4% 0.117 227.8);

Tailwind

colors: {
  custom: {
    50: '#95d6f5',
    500: '#57c4f0',
    950: '#000000',
  },
}

SCSS

$custom: #57c4f0;
$custom-light: #95d6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4f0",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 240
  },
  "hsl": {
    "h": 197.255,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.77429,
    "c": 0.11703,
    "h": 227.8
  },
  "luminance": 0.47797
}

Semantic roles & 50–950 ramp

primary

#57C4F0

secondary

#ECC6B7

accent

#4405E0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #57C4F0

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

Preview Lab → · Contrast checker → · Palette generator →