#55A3DD#55A3DD

#55A3DD is a light, moderate cyan. Relative luminance 0.333; OKLCH L 69.0% C 0.115 H 243.0°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#55A3DD
RGB	rgb(85, 163, 221)
HSL	hsl(206, 67%, 60%)
HSV	hsv(206, 62%, 87%)
CMYK	cmyk(61.5%, 26.2%, 0%, 13.3%)
CIE-LAB	lab(64.44, -6.70, -36.56)
CIE-LCH	lch(64.44, 37.17, 259.62°)
OKLab	oklab(69.01% -0.0523 -0.1028)
OKLCH	oklch(69.01% 0.115 243)
XYZ	xyz(29.8898, 33.3432, 73.2533)
Luminance	0.3335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A3DD #DD8F55

analogous

#55DDD3 #55A3DD #555FDD

triadic

#55A3DD #DD55A3 #A3DD55

tetradic

#55A3DD #D355DD #DD8F55 #5FDD55

square

#55A3DD #D355DD #DD8F55 #5FDD55

split-complementary

#55A3DD #DD555F #DDD355

monochromatic

#1F6599 #2986CC #55A3DD #88BFE7 #BBDAF1

Accessibility & contrast

On white

2.74

#55A3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#55A3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A3DD

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A3DD	#FFFFFF	#000000	##000000
##55A3DD	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A4E0

Deuteranopia (green-blind)

#7796DC

Tritanopia (blue-blind)

#00B1B7

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #55a3dd;
/* rgb */ color: rgb(85, 163, 221);
/* oklch */ color: oklch(69.0% 0.115 243.0);

Tailwind

colors: {
  custom: {
    50: '#91bee7',
    500: '#55a3dd',
    950: '#000000',
  },
}

SCSS

$custom: #55a3dd;
$custom-light: #91bee7;
$custom-dark: #000000;

JSON

{
  "hex": "#55a3dd",
  "rgb": {
    "r": 85,
    "g": 163,
    "b": 221
  },
  "hsl": {
    "h": 205.588,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.69009,
    "c": 0.11533,
    "h": 243
  },
  "luminance": 0.33346
}

Semantic roles & 50–950 ramp

primary

#55A3DD

secondary

#E1C3AD

accent

#873EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A3DD

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

Preview Lab → · Contrast checker → · Palette generator →