#57A9F5#57A9F5

#57A9F5 is a light, vivid cyan. Relative luminance 0.370; OKLCH L 71.6% C 0.137 H 248.7°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#57A9F5
RGB	rgb(87, 169, 245)
HSL	hsl(209, 89%, 65%)
HSV	hsv(209, 64%, 96%)
CMYK	cmyk(64.5%, 31%, 0%, 3.9%)
CIE-LAB	lab(67.27, -1.93, -45.29)
CIE-LCH	lch(67.27, 45.33, 267.55°)
OKLab	oklab(71.61% -0.0499 -0.128)
OKLCH	oklch(71.61% 0.137 248.7)
XYZ	xyz(34.5938, 36.9913, 91.6854)
Luminance	0.3700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9F5 #F5A357

analogous

#57F5F2 #57A9F5 #575AF5

triadic

#57A9F5 #F557A9 #A9F557

tetradic

#57A9F5 #F257F5 #F5A357 #5AF557

square

#57A9F5 #F257F5 #F5A357 #5AF557

split-complementary

#57A9F5 #F5575A #F5F257

monochromatic

#0C6CC6 #1D8BF2 #57A9F5 #91C7F8 #CBE4FC

Accessibility & contrast

On white

2.50

#57A9F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#57A9F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9F5

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9F5	#FFFFFF	#000000	##000000
##57A9F5	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88ACF8

Deuteranopia (green-blind)

#729DF4

Tritanopia (blue-blind)

#00BBC4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #57a9f5;
/* rgb */ color: rgb(87, 169, 245);
/* oklch */ color: oklch(71.6% 0.137 248.7);

Tailwind

colors: {
  custom: {
    50: '#95c2f9',
    500: '#57a9f5',
    950: '#000000',
  },
}

SCSS

$custom: #57a9f5;
$custom-light: #95c2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9f5",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 245
  },
  "hsl": {
    "h": 208.861,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.71613,
    "c": 0.13742,
    "h": 248.7
  },
  "luminance": 0.36995
}

Semantic roles & 50–950 ramp

primary

#57A9F5

secondary

#EFD3B9

accent

#6E00E5

background

#F9FBFF

surface

#F2F7FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A9F5

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

Preview Lab → · Contrast checker → · Palette generator →