#57A9E9#57A9E9

#57A9E9 is a light, vivid cyan. Relative luminance 0.363; OKLCH L 71.0% C 0.124 H 244.4°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#57A9E9
RGB	rgb(87, 169, 233)
HSL	hsl(206, 77%, 63%)
HSV	hsv(206, 63%, 91%)
CMYK	cmyk(62.7%, 27.5%, 0%, 8.6%)
CIE-LAB	lab(66.73, -5.83, -39.57)
CIE-LCH	lch(66.73, 40.00, 261.62°)
OKLab	oklab(71.02% -0.0534 -0.1114)
OKLCH	oklch(71.02% 0.124 244.4)
XYZ	xyz(32.8209, 36.2821, 82.3485)
Luminance	0.3629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9E9 #E99757

analogous

#57E9E0 #57A9E9 #5760E9

triadic

#57A9E9 #E957A9 #A9E957

tetradic

#57A9E9 #E057E9 #E99757 #60E957

square

#57A9E9 #E057E9 #E99757 #60E957

split-complementary

#57A9E9 #E95760 #E9E057

monochromatic

#176CAF #218DE2 #57A9E9 #8DC5F0 #C3E0F7

Accessibility & contrast

On white

2.54

#57A9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#57A9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9E9

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9E9	#FFFFFF	#000000	##000000
##57A9E9	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DAAEC

Deuteranopia (green-blind)

#799CE8

Tritanopia (blue-blind)

#00B8BF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #57a9e9;
/* rgb */ color: rgb(87, 169, 233);
/* oklch */ color: oklch(71.0% 0.124 244.4);

Tailwind

colors: {
  custom: {
    50: '#93c2f0',
    500: '#57a9e9',
    950: '#000000',
  },
}

SCSS

$custom: #57a9e9;
$custom-light: #93c2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9e9",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 233
  },
  "hsl": {
    "h": 206.301,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.71015,
    "c": 0.12358,
    "h": 244.4
  },
  "luminance": 0.36285
}

Semantic roles & 50–950 ramp

primary

#57A9E9

secondary

#E8CBB3

accent

#660CD9

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A9E9

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

Preview Lab → · Contrast checker → · Palette generator →