#5BB1D1#5BB1D1

#5BB1D1 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 71.9% C 0.095 H 224.8°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1D1
RGB	rgb(91, 177, 209)
HSL	hsl(196, 56%, 59%)
HSV	hsv(196, 56%, 82%)
CMYK	cmyk(56.5%, 15.3%, 0%, 18%)
CIE-LAB	lab(68.22, -16.85, -24.09)
CIE-LCH	lch(68.22, 29.39, 235.03°)
OKLab	oklab(71.92% -0.0673 -0.067)
OKLCH	oklch(71.92% 0.095 224.8)
XYZ	xyz(31.5407, 38.2689, 66.0337)
Luminance	0.3827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1D1 #D17B5B

analogous

#5BD1B6 #5BB1D1 #5B76D1

triadic

#5BB1D1 #D15BB1 #B1D15B

tetradic

#5BB1D1 #B65BD1 #D17B5B #76D15B

square

#5BB1D1 #B65BD1 #D17B5B #76D15B

split-complementary

#5BB1D1 #D15B76 #D1B65B

monochromatic

#27708B #3496BA #5BB1D1 #8BC8DE #BBDEEC

Accessibility & contrast

On white

2.43

#5BB1D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#5BB1D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1D1

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1D1	#FFFFFF	#000000	##000000
##5BB1D1	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FAED3

Deuteranopia (green-blind)

#8EA1D1

Tritanopia (blue-blind)

#00BBBB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #5bb1d1;
/* rgb */ color: rgb(91, 177, 209);
/* oklch */ color: oklch(71.9% 0.095 224.8);

Tailwind

colors: {
  custom: {
    50: '#93c8df',
    500: '#5bb1d1',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1d1;
$custom-light: #93c8df;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1d1",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 209
  },
  "hsl": {
    "h": 196.271,
    "s": 56.19,
    "l": 58.824
  },
  "oklch": {
    "l": 0.71918,
    "c": 0.09496,
    "h": 224.8
  },
  "luminance": 0.38272
}

Semantic roles & 50–950 ramp

primary

#5BB1D1

secondary

#DBB9AD

accent

#7148DF

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB1D1

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

Preview Lab → · Contrast checker → · Palette generator →