#57B9DC#57B9DC

#57B9DC is a light, moderate cyan. Relative luminance 0.419; OKLCH L 74.1% C 0.104 H 224.4°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#57B9DC
RGB	rgb(87, 185, 220)
HSL	hsl(196, 66%, 60%)
HSV	hsv(196, 60%, 86%)
CMYK	cmyk(60.5%, 15.9%, 0%, 13.7%)
CIE-LAB	lab(70.79, -18.51, -26.18)
CIE-LCH	lch(70.79, 32.06, 234.75°)
OKLab	oklab(74.07% -0.0745 -0.0729)
OKLCH	oklch(74.07% 0.104 224.4)
XYZ	xyz(34.1926, 41.8881, 73.9795)
Luminance	0.4189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9DC #DC7A57

analogous

#57DCBC #57B9DC #5777DC

triadic

#57B9DC #DC57B9 #B9DC57

tetradic

#57B9DC #BC57DC #DC7A57 #77DC57

square

#57B9DC #BC57DC #DC7A57 #77DC57

split-complementary

#57B9DC #DC5777 #DCBC57

monochromatic

#207999 #2AA1CB #57B9DC #8ACEE7 #BCE3F1

Accessibility & contrast

On white

2.24

#57B9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#57B9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9DC

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9DC	#FFFFFF	#000000	##000000
##57B9DC	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DE

Deuteranopia (green-blind)

#92A7DC

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b9dc;
/* rgb */ color: rgb(87, 185, 220);
/* oklch */ color: oklch(74.1% 0.104 224.4);

Tailwind

colors: {
  custom: {
    50: '#92cee7',
    500: '#57b9dc',
    950: '#000000',
  },
}

SCSS

$custom: #57b9dc;
$custom-light: #92cee7;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9dc",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 220
  },
  "hsl": {
    "h": 195.789,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74068,
    "c": 0.10425,
    "h": 224.4
  },
  "luminance": 0.41891
}

Semantic roles & 50–950 ramp

primary

#57B9DC

secondary

#E1BBAE

accent

#4818CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B9DC

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

Preview Lab → · Contrast checker → · Palette generator →