#55ACD8#55ACD8

#55ACD8 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.8% C 0.105 H 233.0°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#55ACD8
RGB	rgb(85, 172, 216)
HSL	hsl(200, 63%, 59%)
HSV	hsv(200, 61%, 85%)
CMYK	cmyk(60.6%, 20.4%, 0%, 15.3%)
CIE-LAB	lab(66.82, -13.21, -30.11)
CIE-LCH	lch(66.82, 32.88, 246.31°)
OKLab	oklab(70.83% -0.0635 -0.0842)
OKLCH	oklch(70.83% 0.105 233)
XYZ	xyz(30.8887, 36.3912, 70.3488)
Luminance	0.3639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ACD8 #D88155

analogous

#55D8C3 #55ACD8 #556BD8

triadic

#55ACD8 #D855AC #ACD855

tetradic

#55ACD8 #C355D8 #D88155 #6BD855

square

#55ACD8 #C355D8 #D88155 #6BD855

split-complementary

#55ACD8 #D8556B #D8C355

monochromatic

#216C91 #2D91C3 #55ACD8 #87C4E3 #B9DDEF

Accessibility & contrast

On white

2.54

#55ACD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#55ACD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ACD8

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ACD8	#FFFFFF	#000000	##000000
##55ACD8	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AADA

Deuteranopia (green-blind)

#849DD7

Tritanopia (blue-blind)

#00B8BB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #55acd8;
/* rgb */ color: rgb(85, 172, 216);
/* oklch */ color: oklch(70.8% 0.105 233.0);

Tailwind

colors: {
  custom: {
    50: '#90c4e4',
    500: '#55acd8',
    950: '#000000',
  },
}

SCSS

$custom: #55acd8;
$custom-light: #90c4e4;
$custom-dark: #000000;

JSON

{
  "hex": "#55acd8",
  "rgb": {
    "r": 85,
    "g": 172,
    "b": 216
  },
  "hsl": {
    "h": 200.153,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.70829,
    "c": 0.10543,
    "h": 233
  },
  "luminance": 0.36394
}

Semantic roles & 50–950 ramp

primary

#55ACD8

secondary

#DEBCAB

accent

#7942E6

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #55ACD8

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

Preview Lab → · Contrast checker → · Palette generator →