#55A5E4#55A5E4

#55A5E4 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.8% C 0.122 H 244.6°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#55A5E4
RGB	rgb(85, 165, 228)
HSL	hsl(206, 73%, 61%)
HSV	hsv(206, 63%, 89%)
CMYK	cmyk(62.7%, 27.6%, 0%, 10.6%)
CIE-LAB	lab(65.31, -5.56, -39.06)
CIE-LCH	lch(65.31, 39.45, 261.89°)
OKLab	oklab(69.8% -0.0522 -0.11)
OKLCH	oklch(69.8% 0.122 244.6)
XYZ	xyz(31.1998, 34.4399, 78.3871)
Luminance	0.3444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A5E4 #E49455

analogous

#55E4DC #55A5E4 #555EE4

triadic

#55A5E4 #E455A5 #A5E455

tetradic

#55A5E4 #DC55E4 #E49455 #5EE455

square

#55A5E4 #DC55E4 #E49455 #5EE455

split-complementary

#55A5E4 #E4555E #E4DC55

monochromatic

#1A68A4 #2389D9 #55A5E4 #8AC1EC #BFDDF5

Accessibility & contrast

On white

2.66

#55A5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#55A5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A5E4

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A5E4	#FFFFFF	#000000	##000000
##55A5E4	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A6E7

Deuteranopia (green-blind)

#7698E3

Tritanopia (blue-blind)

#00B4BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #55a5e4;
/* rgb */ color: rgb(85, 165, 228);
/* oklch */ color: oklch(69.8% 0.122 244.6);

Tailwind

colors: {
  custom: {
    50: '#91bfec',
    500: '#55a5e4',
    950: '#000000',
  },
}

SCSS

$custom: #55a5e4;
$custom-light: #91bfec;
$custom-dark: #000000;

JSON

{
  "hex": "#55a5e4",
  "rgb": {
    "r": 85,
    "g": 165,
    "b": 228
  },
  "hsl": {
    "h": 206.434,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.69798,
    "c": 0.12176,
    "h": 244.6
  },
  "luminance": 0.34443
}

Semantic roles & 50–950 ramp

primary

#55A5E4

secondary

#E5C7B0

accent

#6711D5

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A5E4

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

Preview Lab → · Contrast checker → · Palette generator →