#55B3DE#55B3DE

#55B3DE is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.7% C 0.108 H 230.6°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#55B3DE
RGB	rgb(85, 179, 222)
HSL	hsl(199, 67%, 60%)
HSV	hsv(199, 62%, 87%)
CMYK	cmyk(61.7%, 19.4%, 0%, 12.9%)
CIE-LAB	lab(69.07, -15.10, -29.93)
CIE-LCH	lch(69.07, 33.52, 243.23°)
OKLab	oklab(72.7% -0.0687 -0.0836)
OKLCH	oklch(72.7% 0.108 230.6)
XYZ	xyz(33.0461, 39.4421, 74.9646)
Luminance	0.3945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B3DE #DE8055

analogous

#55DEC4 #55B3DE #556EDE

triadic

#55B3DE #DE55B3 #B3DE55

tetradic

#55B3DE #C455DE #DE8055 #6EDE55

square

#55B3DE #C455DE #DE8055 #6EDE55

split-complementary

#55B3DE #DE556E #DEC455

monochromatic

#1E739B #289ACE #55B3DE #88CAE8 #BCE1F2

Accessibility & contrast

On white

2.36

#55B3DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#55B3DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B3DE

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B3DE	#FFFFFF	#000000	##000000
##55B3DE	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB1E0

Deuteranopia (green-blind)

#8AA2DD

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #55b3de;
/* rgb */ color: rgb(85, 179, 222);
/* oklch */ color: oklch(72.7% 0.108 230.6);

Tailwind

colors: {
  custom: {
    50: '#91c9e8',
    500: '#55b3de',
    950: '#000000',
  },
}

SCSS

$custom: #55b3de;
$custom-light: #91c9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#55b3de",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 222
  },
  "hsl": {
    "h": 198.832,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.72699,
    "c": 0.10826,
    "h": 230.6
  },
  "luminance": 0.39445
}

Semantic roles & 50–950 ramp

primary

#55B3DE

secondary

#E2BEAD

accent

#5016CF

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #55B3DE

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

Preview Lab → · Contrast checker → · Palette generator →