#57C1EC#57C1EC

#57C1EC is a light, moderate cyan. Relative luminance 0.462; OKLCH L 76.6% C 0.115 H 227.8°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#57C1EC
RGB	rgb(87, 193, 236)
HSL	hsl(197, 80%, 63%)
HSV	hsv(197, 63%, 93%)
CMYK	cmyk(63.1%, 18.2%, 0%, 7.5%)
CIE-LAB	lab(73.69, -17.80, -30.42)
CIE-LCH	lch(73.69, 35.25, 239.66°)
OKLab	oklab(76.58% -0.077 -0.085)
OKLCH	oklch(76.58% 0.115 227.8)
XYZ	xyz(38.1348, 46.2183, 86.2519)
Luminance	0.4622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C1EC #EC8257

analogous

#57ECCC #57C1EC #5776EC

triadic

#57C1EC #EC57C1 #C1EC57

tetradic

#57C1EC #CC57EC #EC8257 #76EC57

square

#57C1EC #CC57EC #EC8257 #76EC57

split-complementary

#57C1EC #EC5776 #ECCC57

monochromatic

#1486B4 #20ADE6 #57C1EC #8ED5F2 #C5EAF8

Accessibility & contrast

On white

2.05

#57C1EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.24

#57C1EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C1EC

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C1EC	#FFFFFF	#000000	##000000
##57C1EC	1.00	2.05	10.24	10.24
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.24	21.00	1.00	1.00
##000000	10.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABEEE

Deuteranopia (green-blind)

#95AEEB

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #57c1ec;
/* rgb */ color: rgb(87, 193, 236);
/* oklch */ color: oklch(76.6% 0.115 227.8);

Tailwind

colors: {
  custom: {
    50: '#94d3f2',
    500: '#57c1ec',
    950: '#000000',
  },
}

SCSS

$custom: #57c1ec;
$custom-light: #94d3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57c1ec",
  "rgb": {
    "r": 87,
    "g": 193,
    "b": 236
  },
  "hsl": {
    "h": 197.315,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.76575,
    "c": 0.11466,
    "h": 227.8
  },
  "luminance": 0.46222
}

Semantic roles & 50–950 ramp

primary

#57C1EC

secondary

#EAC4B5

accent

#460ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57C1EC

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

Preview Lab → · Contrast checker → · Palette generator →