#57AAE8#57AAE8

#57AAE8 is a light, vivid cyan. Relative luminance 0.366; OKLCH L 71.2% C 0.122 H 243.3°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#57AAE8
RGB	rgb(87, 170, 232)
HSL	hsl(206, 76%, 63%)
HSV	hsv(206, 63%, 91%)
CMYK	cmyk(62.5%, 26.7%, 0%, 9%)
CIE-LAB	lab(66.97, -6.71, -38.65)
CIE-LCH	lch(66.97, 39.23, 260.15°)
OKLab	oklab(71.19% -0.0547 -0.1088)
OKLCH	oklch(71.19% 0.122 243.3)
XYZ	xyz(32.8652, 36.5986, 81.6605)
Luminance	0.3660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AAE8 #E89557

analogous

#57E8DD #57AAE8 #5762E8

triadic

#57AAE8 #E857AA #AAE857

tetradic

#57AAE8 #DD57E8 #E89557 #62E857

square

#57AAE8 #DD57E8 #E89557 #62E857

split-complementary

#57AAE8 #E85762 #E8DD57

monochromatic

#186DAD #218FE1 #57AAE8 #8DC5EF #C3E0F7

Accessibility & contrast

On white

2.52

#57AAE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#57AAE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAE8

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AAE8	#FFFFFF	#000000	##000000
##57AAE8	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EABEB

Deuteranopia (green-blind)

#7B9DE7

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57aae8;
/* rgb */ color: rgb(87, 170, 232);
/* oklch */ color: oklch(71.2% 0.122 243.3);

Tailwind

colors: {
  custom: {
    50: '#93c3ef',
    500: '#57aae8',
    950: '#000000',
  },
}

SCSS

$custom: #57aae8;
$custom-light: #93c3ef;
$custom-dark: #000000;

JSON

{
  "hex": "#57aae8",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 232
  },
  "hsl": {
    "h": 205.655,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7119,
    "c": 0.12176,
    "h": 243.3
  },
  "luminance": 0.36602
}

Semantic roles & 50–950 ramp

primary

#57AAE8

secondary

#E8CAB3

accent

#640DD8

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57AAE8

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

Preview Lab → · Contrast checker → · Palette generator →