#57B4DA#57B4DA

#57B4DA is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.8% C 0.104 H 227.6°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#57B4DA
RGB	rgb(87, 180, 218)
HSL	hsl(197, 64%, 60%)
HSV	hsv(197, 60%, 85%)
CMYK	cmyk(60.1%, 17.4%, 0%, 14.5%)
CIE-LAB	lab(69.28, -16.49, -27.42)
CIE-LCH	lch(69.28, 32.00, 238.97°)
OKLab	oklab(72.83% -0.0699 -0.0765)
OKLCH	oklch(72.83% 0.104 227.6)
XYZ	xyz(32.9017, 39.7275, 72.2503)
Luminance	0.3973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4DA #DA7D57

analogous

#57DABF #57B4DA #5772DA

triadic

#57B4DA #DA57B4 #B4DA57

tetradic

#57B4DA #BF57DA #DA7D57 #72DA57

square

#57B4DA #BF57DA #DA7D57 #72DA57

split-complementary

#57B4DA #DA5772 #DABF57

monochromatic

#217496 #2C9BC8 #57B4DA #89CAE5 #BBE1F0

Accessibility & contrast

On white

2.35

#57B4DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#57B4DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4DA

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4DA	#FFFFFF	#000000	##000000
##57B4DA	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B1DC

Deuteranopia (green-blind)

#8DA3DA

Tritanopia (blue-blind)

#00BFC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b4da;
/* rgb */ color: rgb(87, 180, 218);
/* oklch */ color: oklch(72.8% 0.104 227.6);

Tailwind

colors: {
  custom: {
    50: '#92cae5',
    500: '#57b4da',
    950: '#000000',
  },
}

SCSS

$custom: #57b4da;
$custom-light: #92cae5;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4da",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 218
  },
  "hsl": {
    "h": 197.405,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.72831,
    "c": 0.10362,
    "h": 227.6
  },
  "luminance": 0.39731
}

Semantic roles & 50–950 ramp

primary

#57B4DA

secondary

#E0BCAD

accent

#7141E7

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #57B4DA

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

Preview Lab → · Contrast checker → · Palette generator →