#55A3F0#55A3F0

#55A3F0 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 70.0% C 0.137 H 250.1°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#55A3F0
RGB	rgb(85, 163, 240)
HSL	hsl(210, 84%, 64%)
HSV	hsv(210, 65%, 94%)
CMYK	cmyk(64.6%, 32.1%, 0%, 5.9%)
CIE-LAB	lab(65.29, -0.51, -45.68)
CIE-LCH	lch(65.29, 45.68, 269.36°)
OKLab	oklab(69.96% -0.0467 -0.1293)
OKLCH	oklch(69.96% 0.137 250.1)
XYZ	xyz(32.5659, 34.4137, 87.3474)
Luminance	0.3442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A3F0 #F0A255

analogous

#55F0EF #55A3F0 #5555F0

triadic

#55A3F0 #F055A3 #A3F055

tetradic

#55A3F0 #EF55F0 #F0A255 #55F055

square

#55A3F0 #EF55F0 #F0A255 #55F055

split-complementary

#55A3F0 #F05555 #F0EF55

monochromatic

#1066BA #1D85EB #55A3F0 #8DC1F5 #C5E0FA

Accessibility & contrast

On white

2.66

#55A3F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#55A3F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A3F0

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A3F0	#FFFFFF	#000000	##000000
##55A3F0	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A7F3

Deuteranopia (green-blind)

#6C98EE

Tritanopia (blue-blind)

#00B5BF

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55a3f0;
/* rgb */ color: rgb(85, 163, 240);
/* oklch */ color: oklch(70.0% 0.137 250.1);

Tailwind

colors: {
  custom: {
    50: '#93bdf5',
    500: '#55a3f0',
    950: '#000000',
  },
}

SCSS

$custom: #55a3f0;
$custom-light: #93bdf5;
$custom-dark: #000000;

JSON

{
  "hex": "#55a3f0",
  "rgb": {
    "r": 85,
    "g": 163,
    "b": 240
  },
  "hsl": {
    "h": 209.806,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.6996,
    "c": 0.13743,
    "h": 250.1
  },
  "luminance": 0.34417
}

Semantic roles & 50–950 ramp

primary

#55A3F0

secondary

#ECD0B5

accent

#7205E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #55A3F0

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

Preview Lab → · Contrast checker → · Palette generator →