#57A3E8#57A3E8

#57A3E8 is a light, vivid cyan. Relative luminance 0.340; OKLCH L 69.6% C 0.127 H 248.0°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#57A3E8
RGB	rgb(87, 163, 232)
HSL	hsl(209, 76%, 63%)
HSV	hsv(209, 63%, 91%)
CMYK	cmyk(62.5%, 29.7%, 0%, 9%)
CIE-LAB	lab(65.00, -2.79, -41.74)
CIE-LCH	lch(65.00, 41.84, 266.18°)
OKLab	oklab(69.63% -0.0475 -0.1178)
OKLCH	oklch(69.63% 0.127 248)
XYZ	xyz(31.5878, 34.0437, 81.2347)
Luminance	0.3405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3E8 #E89C57

analogous

#57E8E5 #57A3E8 #575AE8

triadic

#57A3E8 #E857A3 #A3E857

tetradic

#57A3E8 #E557E8 #E89C57 #5AE857

square

#57A3E8 #E557E8 #E89C57 #5AE857

split-complementary

#57A3E8 #E8575A #E8E557

monochromatic

#1866AD #2186E1 #57A3E8 #8DC0EF #C3DEF7

Accessibility & contrast

On white

2.69

#57A3E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#57A3E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3E8

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3E8	#FFFFFF	#000000	##000000
##57A3E8	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A6EB

Deuteranopia (green-blind)

#7197E7

Tritanopia (blue-blind)

#00B3BB

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a3e8;
/* rgb */ color: rgb(87, 163, 232);
/* oklch */ color: oklch(69.6% 0.127 248.0);

Tailwind

colors: {
  custom: {
    50: '#93beef',
    500: '#57a3e8',
    950: '#000000',
  },
}

SCSS

$custom: #57a3e8;
$custom-light: #93beef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3e8",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 232
  },
  "hsl": {
    "h": 208.552,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69631,
    "c": 0.12701,
    "h": 248
  },
  "luminance": 0.34047
}

Semantic roles & 50–950 ramp

primary

#57A3E8

secondary

#E8CCB3

accent

#6E0DD8

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A3E8

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

Preview Lab → · Contrast checker → · Palette generator →