#5BB5E6#5BB5E6

#5BB5E6 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.7% C 0.112 H 234.9°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5E6
RGB	rgb(91, 181, 230)
HSL	hsl(201, 74%, 63%)
HSV	hsv(201, 60%, 90%)
CMYK	cmyk(60.4%, 21.3%, 0%, 9.8%)
CIE-LAB	lab(70.16, -12.62, -32.59)
CIE-LCH	lch(70.16, 34.95, 248.84°)
OKLab	oklab(73.73% -0.0641 -0.0912)
OKLCH	oklch(73.73% 0.112 234.9)
XYZ	xyz(35.1157, 40.9816, 80.9072)
Luminance	0.4098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5E6 #E68C5B

analogous

#5BE6D1 #5BB5E6 #5B6FE6

triadic

#5BB5E6 #E65BB5 #B5E65B

tetradic

#5BB5E6 #D15BE6 #E68C5B #6FE65B

square

#5BB5E6 #D15BE6 #E68C5B #6FE65B

split-complementary

#5BB5E6 #E65B6F #E6D15B

monochromatic

#1A79AC #269DDE #5BB5E6 #90CDEE #C5E5F6

Accessibility & contrast

On white

2.28

#5BB5E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#5BB5E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5E6

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5E6	#FFFFFF	#000000	##000000
##5BB5E6	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB4E8

Deuteranopia (green-blind)

#8AA5E5

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb5e6;
/* rgb */ color: rgb(91, 181, 230);
/* oklch */ color: oklch(73.7% 0.112 234.9);

Tailwind

colors: {
  custom: {
    50: '#95cbee',
    500: '#5bb5e6',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5e6;
$custom-light: #95cbee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5e6",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 230
  },
  "hsl": {
    "h": 201.151,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.7373,
    "c": 0.1115,
    "h": 234.9
  },
  "luminance": 0.40985
}

Semantic roles & 50–950 ramp

primary

#5BB5E6

secondary

#E7C7B5

accent

#5610D6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB5E6

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

Preview Lab → · Contrast checker → · Palette generator →