#5BB9DF#5BB9DF

#5BB9DF is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.3% C 0.104 H 227.2°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9DF
RGB	rgb(91, 185, 223)
HSL	hsl(197, 67%, 62%)
HSV	hsv(197, 59%, 87%)
CMYK	cmyk(59.2%, 17%, 0%, 12.5%)
CIE-LAB	lab(71.04, -16.87, -27.43)
CIE-LCH	lch(71.04, 32.20, 238.41°)
OKLab	oklab(74.34% -0.0708 -0.0764)
OKLCH	oklch(74.34% 0.104 227.2)
XYZ	xyz(34.9774, 42.2464, 76.1088)
Luminance	0.4225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9DF #DF815B

analogous

#5BDFC3 #5BB9DF #5B77DF

triadic

#5BB9DF #DF5BB9 #B9DF5B

tetradic

#5BB9DF #C35BDF #DF815B #77DF5B

square

#5BB9DF #C35BDF #DF815B #77DF5B

split-complementary

#5BB9DF #DF5B77 #DFC35B

monochromatic

#1F7BA0 #29A3D4 #5BB9DF #8ECFE9 #C1E5F3

Accessibility & contrast

On white

2.22

#5BB9DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.45

#5BB9DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9DF

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9DF	#FFFFFF	#000000	##000000
##5BB9DF	1.00	2.22	9.45	9.45
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.45	21.00	1.00	1.00
##000000	9.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B6E1

Deuteranopia (green-blind)

#92A8DF

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb9df;
/* rgb */ color: rgb(91, 185, 223);
/* oklch */ color: oklch(74.3% 0.104 227.2);

Tailwind

colors: {
  custom: {
    50: '#94cee9',
    500: '#5bb9df',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9df;
$custom-light: #94cee9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9df",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 223
  },
  "hsl": {
    "h": 197.273,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.7434,
    "c": 0.1042,
    "h": 227.2
  },
  "luminance": 0.4225
}

Semantic roles & 50–950 ramp

primary

#5BB9DF

secondary

#E3C0B2

accent

#4C16CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9DF

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

Preview Lab → · Contrast checker → · Palette generator →