#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
RGB	rgb(85, 168, 218)
HSL	hsl(203, 64%, 59%)
HSV	hsv(203, 61%, 85%)
CMYK	cmyk(61%, 22.9%, 0%, 14.5%)
CIE-LAB	lab(65.75, -10.42, -32.87)
CIE-LCH	lch(65.75, 34.48, 252.42°)
OKLab	oklab(70% -0.0585 -0.0921)
OKLCH	oklch(70% 0.109 237.6)
XYZ	xyz(30.3990, 34.9956, 71.4689)
Luminance	0.3500 (WCAG relative)
Temperature	cool
Family	cyan

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
##55A8DA	1.00	2.63	8.00	8.00
#FFFFFF	2.63	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

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 →