#55A8DA#55A8DA

#55A8DA is a light, moderate cyan. Relative luminance 0.350; OKLCH L 70.0% C 0.109 H 237.6°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#55A8DA
RGBrgb(85, 168, 218)
HSLhsl(203, 64%, 59%)
HSVhsv(203, 61%, 85%)
CMYKcmyk(61%, 22.9%, 0%, 14.5%)
CIE-LABlab(65.75, -10.42, -32.87)
CIE-LCHlch(65.75, 34.48, 252.42°)
OKLaboklab(70% -0.0585 -0.0921)
OKLCHoklch(70% 0.109 237.6)
XYZxyz(30.3990, 34.9956, 71.4689)
Luminance0.3500 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55A8DA #DA8755
analogous
#55DAC9 #55A8DA #5566DA
triadic
#55A8DA #DA55A8 #A8DA55
tetradic
#55A8DA #C955DA #DA8755 #66DA55
square
#55A8DA #C955DA #DA8755 #66DA55
split-complementary
#55A8DA #DA5566 #DAC955
monochromatic
#206994 #2B8CC7 #55A8DA #87C2E5 #BADBF0

Accessibility & contrast

On white

2.63
#55A8DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.00
#55A8DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A8DA
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55A8DA#FFFFFF#000000##000000
##55A8DA1.002.638.008.00
#FFFFFF2.631.0021.0021.00
#0000008.0021.001.001.00
##0000008.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#91A7DC
Deuteranopia (green-blind)
#7F9AD9
Tritanopia (blue-blind)
#00B5B9
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #55a8da;
/* rgb */ color: rgb(85, 168, 218);
/* oklch */ color: oklch(70.0% 0.109 237.6);
Tailwind
colors: {
  custom: {
    50: '#90c1e5',
    500: '#55a8da',
    950: '#000000',
  },
}
SCSS
$custom: #55a8da;
$custom-light: #90c1e5;
$custom-dark: #000000;
JSON
{
  "hex": "#55a8da",
  "rgb": {
    "r": 85,
    "g": 168,
    "b": 218
  },
  "hsl": {
    "h": 202.556,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.70003,
    "c": 0.10916,
    "h": 237.6
  },
  "luminance": 0.34999
}

Semantic roles & 50–950 ramp

primary
#55A8DA
secondary
#DFBFAB
accent
#7F41E7
background
#F9FBFE
surface
#F2F7FC
border
#CCD0D5
text
#0E1215
muted
#7E8184

Preview Lab

Preview with #55A8DA

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

Preview Lab → · Contrast checker → · Palette generator →

#55A8DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva