#57BDEA#57BDEA

#57BDEA is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.6% C 0.114 H 229.9°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#57BDEA
RGB	rgb(87, 189, 234)
HSL	hsl(198, 78%, 63%)
HSV	hsv(198, 63%, 92%)
CMYK	cmyk(62.8%, 19.2%, 0%, 8.2%)
CIE-LAB	lab(72.47, -16.33, -31.22)
CIE-LCH	lch(72.47, 35.23, 242.39°)
OKLab	oklab(75.58% -0.0736 -0.0873)
OKLCH	oklch(75.58% 0.114 229.9)
XYZ	xyz(36.9735, 44.3581, 84.4394)
Luminance	0.4436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDEA #EA8457

analogous

#57EACD #57BDEA #5774EA

triadic

#57BDEA #EA57BD #BDEA57

tetradic

#57BDEA #CD57EA #EA8457 #74EA57

square

#57BDEA #CD57EA #EA8457 #74EA57

split-complementary

#57BDEA #EA5774 #EACD57

monochromatic

#1681B1 #21A8E3 #57BDEA #8DD2F1 #C4E8F8

Accessibility & contrast

On white

2.13

#57BDEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#57BDEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDEA

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDEA	#FFFFFF	#000000	##000000
##57BDEA	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEC

Deuteranopia (green-blind)

#92ABE9

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bdea;
/* rgb */ color: rgb(87, 189, 234);
/* oklch */ color: oklch(75.6% 0.114 229.9);

Tailwind

colors: {
  custom: {
    50: '#94d1f1',
    500: '#57bdea',
    950: '#000000',
  },
}

SCSS

$custom: #57bdea;
$custom-light: #94d1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57bdea",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 234
  },
  "hsl": {
    "h": 198.367,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75577,
    "c": 0.11417,
    "h": 229.9
  },
  "luminance": 0.44362
}

Semantic roles & 50–950 ramp

primary

#57BDEA

secondary

#E9C4B4

accent

#4B0BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDEA

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

Preview Lab → · Contrast checker → · Palette generator →