#57BBEE#57BBEE

#57BBEE is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.3% C 0.118 H 233.7°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#57BBEE
RGB	rgb(87, 187, 238)
HSL	hsl(200, 82%, 64%)
HSV	hsv(200, 63%, 93%)
CMYK	cmyk(63.4%, 21.4%, 0%, 6.7%)
CIE-LAB	lab(72.05, -14.03, -34.03)
CIE-LCH	lch(72.05, 36.81, 247.59°)
OKLab	oklab(75.3% -0.0702 -0.0953)
OKLCH	oklch(75.3% 0.118 233.7)
XYZ	xyz(37.1274, 43.7361, 87.3576)
Luminance	0.4374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBEE #EE8A57

analogous

#57EED5 #57BBEE #576FEE

triadic

#57BBEE #EE57BB #BBEE57

tetradic

#57BBEE #D557EE #EE8A57 #6FEE57

square

#57BBEE #D557EE #EE8A57 #6FEE57

split-complementary

#57BBEE #EE576F #EED557

monochromatic

#1380B8 #1FA5E8 #57BBEE #8FD1F4 #C6E8F9

Accessibility & contrast

On white

2.15

#57BBEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#57BBEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBEE

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBEE	#FFFFFF	#000000	##000000
##57BBEE	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B9F0

Deuteranopia (green-blind)

#8DAAED

Tritanopia (blue-blind)

#00C9CC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bbee;
/* rgb */ color: rgb(87, 187, 238);
/* oklch */ color: oklch(75.3% 0.118 233.7);

Tailwind

colors: {
  custom: {
    50: '#94cff3',
    500: '#57bbee',
    950: '#000000',
  },
}

SCSS

$custom: #57bbee;
$custom-light: #94cff3;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbee",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 238
  },
  "hsl": {
    "h": 200.265,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.75297,
    "c": 0.11837,
    "h": 233.7
  },
  "luminance": 0.4374
}

Semantic roles & 50–950 ramp

primary

#57BBEE

secondary

#EBC8B6

accent

#5008DE

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57BBEE

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

Preview Lab → · Contrast checker → · Palette generator →