#5BB3CD#5BB3CD

#5BB3CD is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.2% C 0.092 H 219.6°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3CD
RGB	rgb(91, 179, 205)
HSL	hsl(194, 53%, 58%)
HSV	hsv(194, 56%, 80%)
CMYK	cmyk(55.6%, 12.7%, 0%, 19.6%)
CIE-LAB	lab(68.66, -19.07, -21.22)
CIE-LCH	lch(68.66, 28.53, 228.05°)
OKLab	oklab(72.22% -0.071 -0.0588)
OKLCH	oklch(72.22% 0.092 219.6)
XYZ	xyz(31.4496, 38.8692, 63.5909)
Luminance	0.3887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3CD #CD755B

analogous

#5BCDAE #5BB3CD #5B7ACD

triadic

#5BB3CD #CD5BB3 #B3CD5B

tetradic

#5BB3CD #AE5BCD #CD755B #7ACD5B

square

#5BB3CD #AE5BCD #CD755B #7ACD5B

split-complementary

#5BB3CD #CD5B7A #CDAE5B

monochromatic

#297085 #3797B4 #5BB3CD #8AC9DB #B9DEEA

Accessibility & contrast

On white

2.39

#5BB3CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#5BB3CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3CD

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3CD	#FFFFFF	#000000	##000000
##5BB3CD	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFCE

Deuteranopia (green-blind)

#92A2CD

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb3cd;
/* rgb */ color: rgb(91, 179, 205);
/* oklch */ color: oklch(72.2% 0.092 219.6);

Tailwind

colors: {
  custom: {
    50: '#92c9dc',
    500: '#5bb3cd',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3cd;
$custom-light: #92c9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3cd",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 205
  },
  "hsl": {
    "h": 193.684,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.72221,
    "c": 0.09226,
    "h": 219.6
  },
  "luminance": 0.38872
}

Semantic roles & 50–950 ramp

primary

#5BB3CD

secondary

#D9B6AB

accent

#6C4BDD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3CD

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

Preview Lab → · Contrast checker → · Palette generator →