#57B3DB#57B3DB

#57B3DB is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.6% C 0.105 H 229.1°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#57B3DB
RGB	rgb(87, 179, 219)
HSL	hsl(198, 65%, 60%)
HSV	hsv(198, 60%, 86%)
CMYK	cmyk(60.3%, 18.3%, 0%, 14.1%)
CIE-LAB	lab(69.02, -15.66, -28.35)
CIE-LCH	lch(69.02, 32.39, 241.09°)
OKLab	oklab(72.64% -0.0685 -0.0791)
OKLCH	oklch(72.64% 0.105 229.1)
XYZ	xyz(32.8318, 39.3777, 72.8745)
Luminance	0.3938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3DB #DB7F57

analogous

#57DBC1 #57B3DB #5771DB

triadic

#57B3DB #DB57B3 #B3DB57

tetradic

#57B3DB #C157DB #DB7F57 #71DB57

square

#57B3DB #C157DB #DB7F57 #71DB57

split-complementary

#57B3DB #DB5771 #DBC157

monochromatic

#207397 #2B9ACA #57B3DB #89CAE6 #BCE1F1

Accessibility & contrast

On white

2.37

#57B3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#57B3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3DB

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3DB	#FFFFFF	#000000	##000000
##57B3DB	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DD

Deuteranopia (green-blind)

#8CA2DA

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #57b3db;
/* rgb */ color: rgb(87, 179, 219);
/* oklch */ color: oklch(72.6% 0.105 229.1);

Tailwind

colors: {
  custom: {
    50: '#92c9e6',
    500: '#57b3db',
    950: '#000000',
  },
}

SCSS

$custom: #57b3db;
$custom-light: #92c9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3db",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 198.182,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.72643,
    "c": 0.10467,
    "h": 229.1
  },
  "luminance": 0.39381
}

Semantic roles & 50–950 ramp

primary

#57B3DB

secondary

#E0BDAD

accent

#7340E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B3DB

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

Preview Lab → · Contrast checker → · Palette generator →