#5BB1D8#5BB1D8

#5BB1D8 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.2% C 0.100 H 229.9°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#5BB1D8
RGB	rgb(91, 177, 216)
HSL	hsl(199, 62%, 60%)
HSV	hsv(199, 58%, 85%)
CMYK	cmyk(57.9%, 18.1%, 0%, 15.3%)
CIE-LAB	lab(68.48, -14.75, -27.54)
CIE-LCH	lch(68.48, 31.24, 241.82°)
OKLab	oklab(72.21% -0.0648 -0.0768)
OKLCH	oklch(72.21% 0.1 229.9)
XYZ	xyz(32.4264, 38.6232, 70.6986)
Luminance	0.3863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB1D8 #D8825B

analogous

#5BD8C0 #5BB1D8 #5B72D8

triadic

#5BB1D8 #D85BB1 #B1D85B

tetradic

#5BB1D8 #C05BD8 #D8825B #72D85B

square

#5BB1D8 #C05BD8 #D8825B #72D85B

split-complementary

#5BB1D8 #D85B72 #D8C05B

monochromatic

#237295 #2F97C7 #5BB1D8 #8CC9E4 #BEE0F0

Accessibility & contrast

On white

2.41

#5BB1D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#5BB1D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB1D8

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB1D8	#FFFFFF	#000000	##000000
##5BB1D8	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAEDA

Deuteranopia (green-blind)

#8CA1D7

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #5bb1d8;
/* rgb */ color: rgb(91, 177, 216);
/* oklch */ color: oklch(72.2% 0.100 229.9);

Tailwind

colors: {
  custom: {
    50: '#93c8e4',
    500: '#5bb1d8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb1d8;
$custom-light: #93c8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb1d8",
  "rgb": {
    "r": 91,
    "g": 177,
    "b": 216
  },
  "hsl": {
    "h": 198.72,
    "s": 61.576,
    "l": 60.196
  },
  "oklch": {
    "l": 0.7221,
    "c": 0.10044,
    "h": 229.9
  },
  "luminance": 0.38626
}

Semantic roles & 50–950 ramp

primary

#5BB1D8

secondary

#DFBEAF

accent

#521CC9

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB1D8

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

Preview Lab → · Contrast checker → · Palette generator →