#55ACE4#55ACE4

#55ACE4 is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.4% C 0.117 H 239.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#55ACE4
RGB	rgb(85, 172, 228)
HSL	hsl(203, 73%, 61%)
HSV	hsv(203, 63%, 89%)
CMYK	cmyk(62.7%, 24.6%, 0%, 10.6%)
CIE-LAB	lab(67.30, -9.44, -35.95)
CIE-LCH	lch(67.30, 37.17, 255.29°)
OKLab	oklab(71.37% -0.0594 -0.101)
OKLCH	oklch(71.37% 0.117 239.5)
XYZ	xyz(32.4971, 37.0345, 78.8195)
Luminance	0.3704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55ACE4 #E48D55

analogous

#55E4D5 #55ACE4 #5565E4

triadic

#55ACE4 #E455AC #ACE455

tetradic

#55ACE4 #D555E4 #E48D55 #65E455

square

#55ACE4 #D555E4 #E48D55 #65E455

split-complementary

#55ACE4 #E45565 #E4D555

monochromatic

#1A6EA4 #2392D9 #55ACE4 #8AC6EC #BFE0F5

Accessibility & contrast

On white

2.50

#55ACE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#55ACE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ACE4

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55ACE4	#FFFFFF	#000000	##000000
##55ACE4	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92ACE7

Deuteranopia (green-blind)

#7F9EE3

Tritanopia (blue-blind)

#00BABF

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #55ace4;
/* rgb */ color: rgb(85, 172, 228);
/* oklch */ color: oklch(71.4% 0.117 239.5);

Tailwind

colors: {
  custom: {
    50: '#92c4ec',
    500: '#55ace4',
    950: '#000000',
  },
}

SCSS

$custom: #55ace4;
$custom-light: #92c4ec;
$custom-dark: #000000;

JSON

{
  "hex": "#55ace4",
  "rgb": {
    "r": 85,
    "g": 172,
    "b": 228
  },
  "hsl": {
    "h": 203.497,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.71374,
    "c": 0.11716,
    "h": 239.5
  },
  "luminance": 0.37038
}

Semantic roles & 50–950 ramp

primary

#55ACE4

secondary

#E5C5B0

accent

#5E11D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55ACE4

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

Preview Lab → · Contrast checker → · Palette generator →