#55C5F3#55C5F3

#55C5F3 is a light, vivid cyan. Relative luminance 0.483; OKLCH L 77.7% C 0.120 H 228.4°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#55C5F3
RGB	rgb(85, 197, 243)
HSL	hsl(197, 87%, 64%)
HSV	hsv(197, 65%, 95%)
CMYK	cmyk(65%, 18.9%, 0%, 4.7%)
CIE-LAB	lab(75.03, -18.05, -32.13)
CIE-LCH	lch(75.03, 36.85, 240.67°)
OKLab	oklab(77.72% -0.0797 -0.0899)
OKLCH	oklch(77.72% 0.12 228.4)
XYZ	xyz(39.8838, 48.3306, 92.0034)
Luminance	0.4834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55C5F3 #F38355

analogous

#55F3D2 #55C5F3 #5576F3

triadic

#55C5F3 #F355C5 #C5F355

tetradic

#55C5F3 #D255F3 #F38355 #76F355

square

#55C5F3 #D255F3 #F38355 #76F355

split-complementary

#55C5F3 #F35576 #F3D255

monochromatic

#0E8CC0 #1CB1EF #55C5F3 #8ED9F7 #C7ECFB

Accessibility & contrast

On white

1.97

#55C5F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#55C5F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C5F3

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55C5F3	#FFFFFF	#000000	##000000
##55C5F3	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC2F5

Deuteranopia (green-blind)

#97B2F2

Tritanopia (blue-blind)

#00D2D4

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #55c5f3;
/* rgb */ color: rgb(85, 197, 243);
/* oklch */ color: oklch(77.7% 0.120 228.4);

Tailwind

colors: {
  custom: {
    50: '#95d6f7',
    500: '#55c5f3',
    950: '#000000',
  },
}

SCSS

$custom: #55c5f3;
$custom-light: #95d6f7;
$custom-dark: #000000;

JSON

{
  "hex": "#55c5f3",
  "rgb": {
    "r": 85,
    "g": 197,
    "b": 243
  },
  "hsl": {
    "h": 197.468,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.7772,
    "c": 0.12011,
    "h": 228.4
  },
  "luminance": 0.48335
}

Semantic roles & 50–950 ramp

primary

#55C5F3

secondary

#EDC6B6

accent

#4402E3

background

#F9FDFF

surface

#F2FAFE

border

#CCD3D6

text

#0F1417

muted

#7E8385

Preview Lab

Preview with #55C5F3

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

Preview Lab → · Contrast checker → · Palette generator →