#55A4DF#55A4DF

#55A4DF is a light, moderate cyan. Relative luminance 0.338; OKLCH L 69.3% C 0.117 H 243.2°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#55A4DF
RGB	rgb(85, 164, 223)
HSL	hsl(206, 68%, 60%)
HSV	hsv(206, 62%, 87%)
CMYK	cmyk(61.9%, 26.5%, 0%, 12.5%)
CIE-LAB	lab(64.81, -6.62, -37.09)
CIE-LCH	lch(64.81, 37.67, 259.89°)
OKLab	oklab(69.33% -0.0527 -0.1043)
OKLCH	oklch(69.33% 0.117 243.2)
XYZ	xyz(30.3361, 33.8070, 74.7244)
Luminance	0.3381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55A4DF #DF9055

analogous

#55DFD5 #55A4DF #555FDF

triadic

#55A4DF #DF55A4 #A4DF55

tetradic

#55A4DF #D555DF #DF9055 #5FDF55

square

#55A4DF #D555DF #DF9055 #5FDF55

split-complementary

#55A4DF #DF555F #DFD555

monochromatic

#1D669C #2788D0 #55A4DF #89C0E9 #BCDBF2

Accessibility & contrast

On white

2.71

#55A4DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#55A4DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55A4DF

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55A4DF	#FFFFFF	#000000	##000000
##55A4DF	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA5E2

Deuteranopia (green-blind)

#7797DE

Tritanopia (blue-blind)

#00B2B8

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #55a4df;
/* rgb */ color: rgb(85, 164, 223);
/* oklch */ color: oklch(69.3% 0.117 243.2);

Tailwind

colors: {
  custom: {
    50: '#91bee9',
    500: '#55a4df',
    950: '#000000',
  },
}

SCSS

$custom: #55a4df;
$custom-light: #91bee9;
$custom-dark: #000000;

JSON

{
  "hex": "#55a4df",
  "rgb": {
    "r": 85,
    "g": 164,
    "b": 223
  },
  "hsl": {
    "h": 205.652,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.69331,
    "c": 0.11687,
    "h": 243.2
  },
  "luminance": 0.3381
}

Semantic roles & 50–950 ramp

primary

#55A4DF

secondary

#E2C4AE

accent

#6515D0

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #55A4DF

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

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