#57C7EE#57C7EE

#57C7EE is a light, moderate cyan. Relative luminance 0.490; OKLCH L 78.0% C 0.115 H 224.2°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#57C7EE
RGB	rgb(87, 199, 238)
HSL	hsl(195, 82%, 64%)
HSV	hsv(195, 63%, 93%)
CMYK	cmyk(63.4%, 16.4%, 0%, 6.7%)
CIE-LAB	lab(75.48, -20.29, -28.75)
CIE-LCH	lch(75.48, 35.19, 234.78°)
OKLab	oklab(78.03% -0.0824 -0.0802)
OKLCH	oklch(78.03% 0.115 224.2)
XYZ	xyz(39.7803, 49.0420, 88.2419)
Luminance	0.4905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C7EE #EE7E57

analogous

#57EECA #57C7EE #577BEE

triadic

#57C7EE #EE57C7 #C7EE57

tetradic

#57C7EE #CA57EE #EE7E57 #7BEE57

square

#57C7EE #CA57EE #EE7E57 #7BEE57

split-complementary

#57C7EE #EE577B #EECA57

monochromatic

#138DB8 #1FB4E8 #57C7EE #8FDAF4 #C6ECF9

Accessibility & contrast

On white

1.94

#57C7EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#57C7EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C7EE

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C7EE	#FFFFFF	#000000	##000000
##57C7EE	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C3F0

Deuteranopia (green-blind)

#9CB3EE

Tritanopia (blue-blind)

#00D3D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #57c7ee;
/* rgb */ color: rgb(87, 199, 238);
/* oklch */ color: oklch(78.0% 0.115 224.2);

Tailwind

colors: {
  custom: {
    50: '#95d8f3',
    500: '#57c7ee',
    950: '#000000',
  },
}

SCSS

$custom: #57c7ee;
$custom-light: #95d8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57c7ee",
  "rgb": {
    "r": 87,
    "g": 199,
    "b": 238
  },
  "hsl": {
    "h": 195.497,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.7803,
    "c": 0.11495,
    "h": 224.2
  },
  "luminance": 0.49046
}

Semantic roles & 50–950 ramp

primary

#57C7EE

secondary

#EBC4B6

accent

#3F08DE

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #57C7EE

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

Preview Lab → · Contrast checker → · Palette generator →