#55A5EB#55A5EB

#55A5EB is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.1% C 0.130 H 247.3°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#55A5EB
RGB	rgb(85, 165, 235)
HSL	hsl(208, 79%, 63%)
HSV	hsv(208, 64%, 92%)
CMYK	cmyk(63.8%, 29.8%, 0%, 7.8%)
CIE-LAB	lab(65.62, -3.29, -42.42)
CIE-LCH	lch(65.62, 42.55, 265.57°)
OKLab	oklab(70.15% -0.0501 -0.1197)
OKLCH	oklch(70.15% 0.13 247.3)
XYZ	xyz(32.1913, 34.8365, 83.6088)
Luminance	0.3484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A5EB #EB9B55

analogous

#55EBE6 #55A5EB #555AEB

triadic

#55A5EB #EB55A5 #A5EB55

tetradic

#55A5EB #E655EB #EB9B55 #5AEB55

square

#55A5EB #E655EB #EB9B55 #5AEB55

split-complementary

#55A5EB #EB555A #EBE655

monochromatic

#1568B1 #1E88E5 #55A5EB #8CC2F1 #C3DFF8

Accessibility & contrast

On white

2.64

#55A5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#55A5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5EB

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A5EB	#FFFFFF	#000000	##000000
##55A5EB	1.00	2.64	7.97	7.97
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A7EE

Deuteranopia (green-blind)

#7299EA

Tritanopia (blue-blind)

#00B6BE

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #55a5eb;
/* rgb */ color: rgb(85, 165, 235);
/* oklch */ color: oklch(70.1% 0.130 247.3);

Tailwind

colors: {
  custom: {
    50: '#92bff1',
    500: '#55a5eb',
    950: '#000000',
  },
}

SCSS

$custom: #55a5eb;
$custom-light: #92bff1;
$custom-dark: #000000;

JSON

{
  "hex": "#55a5eb",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 235
  },
  "hsl": {
    "h": 208,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70146,
    "c": 0.12981,
    "h": 247.3
  },
  "luminance": 0.3484
}

Semantic roles & 50–950 ramp

primary

#55A5EB

secondary

#E9CCB3

accent

#6C0ADB

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #55A5EB

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

Preview Lab → · Contrast checker → · Palette generator →