#57B9DA#57B9DA

#57B9DA is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.0% C 0.103 H 223.0°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#57B9DA
RGB	rgb(87, 185, 218)
HSL	hsl(195, 64%, 60%)
HSV	hsv(195, 60%, 85%)
CMYK	cmyk(60.1%, 15.1%, 0%, 14.5%)
CIE-LAB	lab(70.72, -19.11, -25.20)
CIE-LCH	lch(70.72, 31.63, 232.83°)
OKLab	oklab(73.99% -0.0752 -0.0701)
OKLCH	oklch(73.99% 0.103 223)
XYZ	xyz(33.9293, 41.7827, 72.5929)
Luminance	0.4179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9DA #DA7857

analogous

#57DABA #57B9DA #5777DA

triadic

#57B9DA #DA57B9 #B9DA57

tetradic

#57B9DA #BA57DA #DA7857 #77DA57

square

#57B9DA #BA57DA #DA7857 #77DA57

split-complementary

#57B9DA #DA5777 #DABA57

monochromatic

#217896 #2CA1C8 #57B9DA #89CEE5 #BBE3F0

Accessibility & contrast

On white

2.24

#57B9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#57B9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9DA

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9DA	#FFFFFF	#000000	##000000
##57B9DA	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B5DC

Deuteranopia (green-blind)

#93A7DA

Tritanopia (blue-blind)

#00C3C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b9da;
/* rgb */ color: rgb(87, 185, 218);
/* oklch */ color: oklch(74.0% 0.103 223.0);

Tailwind

colors: {
  custom: {
    50: '#92cee5',
    500: '#57b9da',
    950: '#000000',
  },
}

SCSS

$custom: #57b9da;
$custom-light: #92cee5;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9da",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 218
  },
  "hsl": {
    "h": 195.115,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.73986,
    "c": 0.10287,
    "h": 223
  },
  "luminance": 0.41786
}

Semantic roles & 50–950 ramp

primary

#57B9DA

secondary

#E0BAAD

accent

#6B41E7

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #57B9DA

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

Preview Lab → · Contrast checker → · Palette generator →