#57C4EE#57C4EE

#57C4EE is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.3% C 0.116 H 226.6°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#57C4EE
RGB	rgb(87, 196, 238)
HSL	hsl(197, 82%, 64%)
HSV	hsv(197, 63%, 93%)
CMYK	cmyk(63.4%, 17.6%, 0%, 6.7%)
CIE-LAB	lab(74.62, -18.75, -30.07)
CIE-LCH	lch(74.62, 35.43, 238.05°)
OKLab	oklab(77.34% -0.0793 -0.084)
OKLCH	oklch(77.34% 0.116 226.6)
XYZ	xyz(39.0969, 47.6751, 88.0141)
Luminance	0.4768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4EE #EE8157

analogous

#57EECD #57C4EE #5778EE

triadic

#57C4EE #EE57C4 #C4EE57

tetradic

#57C4EE #CD57EE #EE8157 #78EE57

square

#57C4EE #CD57EE #EE8157 #78EE57

split-complementary

#57C4EE #EE5778 #EECD57

monochromatic

#138AB8 #1FB0E8 #57C4EE #8FD8F4 #C6EBF9

Accessibility & contrast

On white

1.99

#57C4EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#57C4EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4EE

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4EE	#FFFFFF	#000000	##000000
##57C4EE	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC0F0

Deuteranopia (green-blind)

#98B1EE

Tritanopia (blue-blind)

#00D0D2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #57c4ee;
/* rgb */ color: rgb(87, 196, 238);
/* oklch */ color: oklch(77.3% 0.116 226.6);

Tailwind

colors: {
  custom: {
    50: '#95d6f3',
    500: '#57c4ee',
    950: '#000000',
  },
}

SCSS

$custom: #57c4ee;
$custom-light: #95d6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4ee",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 238
  },
  "hsl": {
    "h": 196.689,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.77344,
    "c": 0.1155,
    "h": 226.6
  },
  "luminance": 0.47679
}

Semantic roles & 50–950 ramp

primary

#57C4EE

secondary

#EBC5B6

accent

#4308DE

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #57C4EE

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

Preview Lab → · Contrast checker → · Palette generator →