#57A9DD#57A9DD

#57A9DD is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.4% C 0.111 H 238.9°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#57A9DD
RGB	rgb(87, 169, 221)
HSL	hsl(203, 66%, 60%)
HSV	hsv(203, 61%, 87%)
CMYK	cmyk(60.6%, 23.5%, 0%, 13.3%)
CIE-LAB	lab(66.23, -9.65, -33.77)
CIE-LCH	lch(66.23, 35.12, 254.05°)
OKLab	oklab(70.45% -0.0572 -0.0947)
OKLCH	oklch(70.45% 0.111 238.9)
XYZ	xyz(31.1647, 35.6196, 73.6255)
Luminance	0.3562 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9DD #DD8B57

analogous

#57DDCE #57A9DD #5766DD

triadic

#57A9DD #DD57A9 #A9DD57

tetradic

#57A9DD #CE57DD #DD8B57 #66DD57

square

#57A9DD #CE57DD #DD8B57 #66DD57

split-complementary

#57A9DD #DD5766 #DDCE57

monochromatic

#1F6B9A #2A8ECD #57A9DD #8AC3E7 #BDDDF2

Accessibility & contrast

On white

2.58

#57A9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#57A9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9DD

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9DD	#FFFFFF	#000000	##000000
##57A9DD	1.00	2.58	8.12	8.12
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A9DF

Deuteranopia (green-blind)

#7F9BDC

Tritanopia (blue-blind)

#00B6BB

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a9dd;
/* rgb */ color: rgb(87, 169, 221);
/* oklch */ color: oklch(70.4% 0.111 238.9);

Tailwind

colors: {
  custom: {
    50: '#92c2e7',
    500: '#57a9dd',
    950: '#000000',
  },
}

SCSS

$custom: #57a9dd;
$custom-light: #92c2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9dd",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 221
  },
  "hsl": {
    "h": 203.284,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.70447,
    "c": 0.11063,
    "h": 238.9
  },
  "luminance": 0.35623
}

Semantic roles & 50–950 ramp

primary

#57A9DD

secondary

#E1C2AE

accent

#5E17CE

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A9DD

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

Preview Lab → · Contrast checker → · Palette generator →