#57C7EF#57C7EF

#57C7EF is a light, moderate cyan. Relative luminance 0.491; OKLCH L 78.1% C 0.116 H 224.9°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#57C7EF
RGB	rgb(87, 199, 239)
HSL	hsl(196, 83%, 64%)
HSV	hsv(196, 64%, 94%)
CMYK	cmyk(63.6%, 16.7%, 0%, 6.3%)
CIE-LAB	lab(75.51, -19.99, -29.23)
CIE-LCH	lch(75.51, 35.41, 235.63°)
OKLab	oklab(78.07% -0.082 -0.0816)
OKLCH	oklch(78.07% 0.116 224.9)
XYZ	xyz(39.9277, 49.1009, 89.0178)
Luminance	0.4910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C7EF #EF7F57

analogous

#57EFCB #57C7EF #577BEF

triadic

#57C7EF #EF57C7 #C7EF57

tetradic

#57C7EF #CB57EF #EF7F57 #7BEF57

square

#57C7EF #CB57EF #EF7F57 #7BEF57

split-complementary

#57C7EF #EF577B #EFCB57

monochromatic

#128EBA #1FB4EA #57C7EF #8FDAF4 #C7ECFA

Accessibility & contrast

On white

1.94

#57C7EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#57C7EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C7EF

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C7EF	#FFFFFF	#000000	##000000
##57C7EF	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C3F1

Deuteranopia (green-blind)

#9BB3EF

Tritanopia (blue-blind)

#00D3D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #57c7ef;
/* rgb */ color: rgb(87, 199, 239);
/* oklch */ color: oklch(78.1% 0.116 224.9);

Tailwind

colors: {
  custom: {
    50: '#95d8f4',
    500: '#57c7ef',
    950: '#000000',
  },
}

SCSS

$custom: #57c7ef;
$custom-light: #95d8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57c7ef",
  "rgb": {
    "r": 87,
    "g": 199,
    "b": 239
  },
  "hsl": {
    "h": 195.789,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.78072,
    "c": 0.11565,
    "h": 224.9
  },
  "luminance": 0.49105
}

Semantic roles & 50–950 ramp

primary

#57C7EF

secondary

#ECC4B6

accent

#3F06DF

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #57C7EF

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

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