#57BBD1#57BBD1

#57BBD1 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.1% C 0.098 H 214.3°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#57BBD1
RGB	rgb(87, 187, 209)
HSL	hsl(191, 57%, 58%)
HSV	hsv(191, 58%, 82%)
CMYK	cmyk(58.4%, 10.5%, 0%, 18%)
CIE-LAB	lab(70.99, -22.79, -19.88)
CIE-LCH	lch(70.99, 30.24, 221.10°)
OKLab	oklab(74.09% -0.0808 -0.0551)
OKLCH	oklch(74.09% 0.098 214.3)
XYZ	xyz(33.2048, 42.1671, 66.6984)
Luminance	0.4217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBD1 #D16D57

analogous

#57D1AA #57BBD1 #577ED1

triadic

#57BBD1 #D157BB #BBD157

tetradic

#57BBD1 #AA57D1 #D16D57 #7ED157

square

#57BBD1 #AA57D1 #D16D57 #7ED157

split-complementary

#57BBD1 #D1577E #D1AA57

monochromatic

#257688 #32A0B8 #57BBD1 #87CEDE #B7E2EB

Accessibility & contrast

On white

2.23

#57BBD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#57BBD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBD1

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBD1	#FFFFFF	#000000	##000000
##57BBD1	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB5D2

Deuteranopia (green-blind)

#99A8D1

Tritanopia (blue-blind)

#00C4C2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #57bbd1;
/* rgb */ color: rgb(87, 187, 209);
/* oklch */ color: oklch(74.1% 0.098 214.3);

Tailwind

colors: {
  custom: {
    50: '#91cfdf',
    500: '#57bbd1',
    950: '#000000',
  },
}

SCSS

$custom: #57bbd1;
$custom-light: #91cfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbd1",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 209
  },
  "hsl": {
    "h": 190.82,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.74093,
    "c": 0.09784,
    "h": 214.3
  },
  "luminance": 0.4217
}

Semantic roles & 50–950 ramp

primary

#57BBD1

secondary

#DAB2AA

accent

#6348E0

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #57BBD1

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

Preview Lab → · Contrast checker → · Palette generator →