#57BDEC#57BDEC

#57BDEC is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.7% C 0.116 H 231.0°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#57BDEC
RGB	rgb(87, 189, 236)
HSL	hsl(199, 80%, 63%)
HSV	hsv(199, 63%, 93%)
CMYK	cmyk(63.1%, 19.9%, 0%, 7.5%)
CIE-LAB	lab(72.54, -15.71, -32.18)
CIE-LCH	lch(72.54, 35.81, 243.98°)
OKLab	oklab(75.66% -0.0729 -0.09)
OKLCH	oklch(75.66% 0.116 231)
XYZ	xyz(37.2625, 44.4737, 85.9611)
Luminance	0.4448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDEC #EC8657

analogous

#57ECD0 #57BDEC #5772EC

triadic

#57BDEC #EC57BD #BDEC57

tetradic

#57BDEC #D057EC #EC8657 #72EC57

square

#57BDEC #D057EC #EC8657 #72EC57

split-complementary

#57BDEC #EC5772 #ECD057

monochromatic

#1482B4 #20A7E6 #57BDEC #8ED3F2 #C5E8F8

Accessibility & contrast

On white

2.12

#57BDEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#57BDEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDEC

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDEC	#FFFFFF	#000000	##000000
##57BDEC	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BBEE

Deuteranopia (green-blind)

#91ABEB

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bdec;
/* rgb */ color: rgb(87, 189, 236);
/* oklch */ color: oklch(75.7% 0.116 231.0);

Tailwind

colors: {
  custom: {
    50: '#94d0f2',
    500: '#57bdec',
    950: '#000000',
  },
}

SCSS

$custom: #57bdec;
$custom-light: #94d0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57bdec",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 236
  },
  "hsl": {
    "h": 198.926,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.75664,
    "c": 0.11585,
    "h": 231
  },
  "luminance": 0.44478
}

Semantic roles & 50–950 ramp

primary

#57BDEC

secondary

#EAC6B5

accent

#4C0ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57BDEC

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

Preview Lab → · Contrast checker → · Palette generator →