#57AAEC#57AAEC

#57AAEC is a light, vivid cyan. Relative luminance 0.368; OKLCH L 71.4% C 0.126 H 244.9°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#57AAEC
RGB	rgb(87, 170, 236)
HSL	hsl(207, 80%, 63%)
HSV	hsv(207, 63%, 93%)
CMYK	cmyk(63.1%, 28%, 0%, 7.5%)
CIE-LAB	lab(67.15, -5.42, -40.57)
CIE-LCH	lch(67.15, 40.93, 262.39°)
OKLab	oklab(71.38% -0.0535 -0.1143)
OKLCH	oklch(71.38% 0.126 244.9)
XYZ	xyz(33.4399, 36.8285, 84.6869)
Luminance	0.3683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AAEC #EC9957

analogous

#57ECE3 #57AAEC #575FEC

triadic

#57AAEC #EC57AA #AAEC57

tetradic

#57AAEC #E357EC #EC9957 #5FEC57

square

#57AAEC #E357EC #EC9957 #5FEC57

split-complementary

#57AAEC #EC575F #ECE357

monochromatic

#146DB4 #208EE6 #57AAEC #8EC6F2 #C5E2F8

Accessibility & contrast

On white

2.51

#57AAEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#57AAEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAEC

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AAEC	#FFFFFF	#000000	##000000
##57AAEC	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DACEF

Deuteranopia (green-blind)

#799DEB

Tritanopia (blue-blind)

#00BAC1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57aaec;
/* rgb */ color: rgb(87, 170, 236);
/* oklch */ color: oklch(71.4% 0.126 244.9);

Tailwind

colors: {
  custom: {
    50: '#94c3f2',
    500: '#57aaec',
    950: '#000000',
  },
}

SCSS

$custom: #57aaec;
$custom-light: #94c3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57aaec",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 236
  },
  "hsl": {
    "h": 206.577,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.71384,
    "c": 0.12622,
    "h": 244.9
  },
  "luminance": 0.36832
}

Semantic roles & 50–950 ramp

primary

#57AAEC

secondary

#EACCB5

accent

#670ADC

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57AAEC

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

Preview Lab → · Contrast checker → · Palette generator →