#5BB4D9#5BB4D9

#5BB4D9 is a light, moderate cyan. Relative luminance 0.399; OKLCH L 72.9% C 0.101 H 227.7°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#5BB4D9
RGB	rgb(91, 180, 217)
HSL	hsl(198, 62%, 60%)
HSV	hsv(198, 58%, 85%)
CMYK	cmyk(58.1%, 17.1%, 0%, 14.9%)
CIE-LAB	lab(69.38, -16.04, -26.70)
CIE-LCH	lch(69.38, 31.15, 239.00°)
OKLab	oklab(72.94% -0.0676 -0.0744)
OKLCH	oklch(72.94% 0.101 227.7)
XYZ	xyz(33.1552, 39.8733, 71.5812)
Luminance	0.3988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB4D9 #D9805B

analogous

#5BD9BF #5BB4D9 #5B75D9

triadic

#5BB4D9 #D95BB4 #B4D95B

tetradic

#5BB4D9 #BF5BD9 #D9805B #75D95B

square

#5BB4D9 #BF5BD9 #D9805B #75D95B

split-complementary

#5BB4D9 #D95B75 #D9BF5B

monochromatic

#237597 #2E9BC8 #5BB4D9 #8DCBE5 #BEE1F0

Accessibility & contrast

On white

2.34

#5BB4D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#5BB4D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB4D9

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB4D9	#FFFFFF	#000000	##000000
##5BB4D9	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B1DB

Deuteranopia (green-blind)

#8FA4D9

Tritanopia (blue-blind)

#00BFC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb4d9;
/* rgb */ color: rgb(91, 180, 217);
/* oklch */ color: oklch(72.9% 0.101 227.7);

Tailwind

colors: {
  custom: {
    50: '#94cae4',
    500: '#5bb4d9',
    950: '#000000',
  },
}

SCSS

$custom: #5bb4d9;
$custom-light: #94cae4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb4d9",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 217
  },
  "hsl": {
    "h": 197.619,
    "s": 62.376,
    "l": 60.392
  },
  "oklch": {
    "l": 0.72941,
    "c": 0.10054,
    "h": 227.7
  },
  "luminance": 0.39876
}

Semantic roles & 50–950 ramp

primary

#5BB4D9

secondary

#E0BEB0

accent

#4F1BCA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB4D9

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

Preview Lab → · Contrast checker → · Palette generator →