#55A9DD#55A9DD

#55A9DD is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.4% C 0.112 H 238.4°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#55A9DD
RGB	rgb(85, 169, 221)
HSL	hsl(203, 67%, 60%)
HSV	hsv(203, 62%, 87%)
CMYK	cmyk(61.5%, 23.5%, 0%, 13.3%)
CIE-LAB	lab(66.16, -10.02, -33.89)
CIE-LCH	lch(66.16, 35.34, 253.54°)
OKLab	oklab(70.37% -0.0586 -0.0951)
OKLCH	oklch(70.37% 0.112 238.4)
XYZ	xyz(30.9805, 35.5246, 73.6169)
Luminance	0.3553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A9DD #DD8955

analogous

#55DDCD #55A9DD #5565DD

triadic

#55A9DD #DD55A9 #A9DD55

tetradic

#55A9DD #CD55DD #DD8955 #65DD55

square

#55A9DD #CD55DD #DD8955 #65DD55

split-complementary

#55A9DD #DD5565 #DDCD55

monochromatic

#1F6A99 #298ECC #55A9DD #88C3E7 #BBDDF1

Accessibility & contrast

On white

2.59

#55A9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#55A9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A9DD

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A9DD	#FFFFFF	#000000	##000000
##55A9DD	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A8DF

Deuteranopia (green-blind)

#7E9BDC

Tritanopia (blue-blind)

#00B6BB

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #55a9dd;
/* rgb */ color: rgb(85, 169, 221);
/* oklch */ color: oklch(70.4% 0.112 238.4);

Tailwind

colors: {
  custom: {
    50: '#91c2e7',
    500: '#55a9dd',
    950: '#000000',
  },
}

SCSS

$custom: #55a9dd;
$custom-light: #91c2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#55a9dd",
  "rgb": {
    "r": 85,
    "g": 169,
    "b": 221
  },
  "hsl": {
    "h": 202.941,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.70369,
    "c": 0.11167,
    "h": 238.4
  },
  "luminance": 0.35528
}

Semantic roles & 50–950 ramp

primary

#55A9DD

secondary

#E1C1AD

accent

#803EEA

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A9DD

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

Preview Lab → · Contrast checker → · Palette generator →