#57B9DB#57B9DB

#57B9DB is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.0% C 0.104 H 223.7°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#57B9DB
RGB	rgb(87, 185, 219)
HSL	hsl(195, 65%, 60%)
HSV	hsv(195, 60%, 86%)
CMYK	cmyk(60.3%, 15.5%, 0%, 14.1%)
CIE-LAB	lab(70.76, -18.81, -25.69)
CIE-LCH	lch(70.76, 31.84, 233.79°)
OKLab	oklab(74.03% -0.0749 -0.0715)
OKLCH	oklch(74.03% 0.104 223.7)
XYZ	xyz(34.0606, 41.8352, 73.2841)
Luminance	0.4184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9DB #DB7957

analogous

#57DBBB #57B9DB #5777DB

triadic

#57B9DB #DB57B9 #B9DB57

tetradic

#57B9DB #BB57DB #DB7957 #77DB57

square

#57B9DB #BB57DB #DB7957 #77DB57

split-complementary

#57B9DB #DB5777 #DBBB57

monochromatic

#207997 #2BA1CA #57B9DB #89CEE6 #BCE3F1

Accessibility & contrast

On white

2.24

#57B9DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#57B9DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9DB

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9DB	#FFFFFF	#000000	##000000
##57B9DB	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B5DD

Deuteranopia (green-blind)

#93A7DB

Tritanopia (blue-blind)

#00C3C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b9db;
/* rgb */ color: rgb(87, 185, 219);
/* oklch */ color: oklch(74.0% 0.104 223.7);

Tailwind

colors: {
  custom: {
    50: '#92cee6',
    500: '#57b9db',
    950: '#000000',
  },
}

SCSS

$custom: #57b9db;
$custom-light: #92cee6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9db",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 219
  },
  "hsl": {
    "h": 195.455,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.74027,
    "c": 0.10355,
    "h": 223.7
  },
  "luminance": 0.41839
}

Semantic roles & 50–950 ramp

primary

#57B9DB

secondary

#E0BBAD

accent

#6B40E8

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B9DB

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

Preview Lab → · Contrast checker → · Palette generator →