#57A4DD#57A4DD

#57A4DD is a light, moderate cyan. Relative luminance 0.338; OKLCH L 69.3% C 0.114 H 242.8°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#57A4DD
RGBrgb(87, 164, 221)
HSLhsl(206, 66%, 60%)
HSVhsv(206, 61%, 87%)
CMYKcmyk(60.6%, 25.8%, 0%, 13.3%)
CIE-LABlab(64.80, -6.89, -35.99)
CIE-LCHlch(64.80, 36.65, 259.16°)
OKLaboklab(69.32% -0.0519 -0.1011)
OKLCHoklch(69.32% 0.114 242.8)
XYZxyz(30.2522, 33.7947, 73.3213)
Luminance0.3380 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A4DD #DD9057
analogous
#57DDD3 #57A4DD #5761DD
triadic
#57A4DD #DD57A4 #A4DD57
tetradic
#57A4DD #D357DD #DD9057 #61DD57
square
#57A4DD #D357DD #DD9057 #61DD57
split-complementary
#57A4DD #DD5761 #DDD357
monochromatic
#1F669A #2A88CD #57A4DD #8AC0E7 #BDDBF2

Accessibility & contrast

On white

2.71
#57A4DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.76
#57A4DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4DD
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A4DD#FFFFFF#000000##000000
##57A4DD1.002.717.767.76
#FFFFFF2.711.0021.0021.00
#0000007.7621.001.001.00
##0000007.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BA5E0
Deuteranopia (green-blind)
#7997DC
Tritanopia (blue-blind)
#00B2B8
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #57a4dd;
/* rgb */ color: rgb(87, 164, 221);
/* oklch */ color: oklch(69.3% 0.114 242.8);
Tailwind
colors: {
  custom: {
    50: '#91bee7',
    500: '#57a4dd',
    950: '#000000',
  },
}
SCSS
$custom: #57a4dd;
$custom-light: #91bee7;
$custom-dark: #000000;
JSON
{
  "hex": "#57a4dd",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 221
  },
  "hsl": {
    "h": 205.522,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.69316,
    "c": 0.11367,
    "h": 242.8
  },
  "luminance": 0.33798
}

Semantic roles & 50–950 ramp

primary
#57A4DD
secondary
#E1C4AE
accent
#6517CE
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A4DD

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

Preview Lab → · Contrast checker → · Palette generator →

#57A4DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva