#5B9CEE#5B9CEE

#5B9CEE is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.139 H 255.1°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#5B9CEE
RGB	rgb(91, 156, 238)
HSL	hsl(213, 81%, 65%)
HSV	hsv(213, 62%, 93%)
CMYK	cmyk(61.8%, 34.5%, 0%, 6.7%)
CIE-LAB	lab(63.48, 3.89, -47.41)
CIE-LCH	lch(63.48, 47.57, 274.68°)
OKLab	oklab(68.58% -0.0357 -0.1343)
OKLCH	oklch(68.58% 0.139 255.1)
XYZ	xyz(31.6299, 32.1712, 85.4151)
Luminance	0.3217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9CEE #EEAD5B

analogous

#5BE6EE #5B9CEE #645BEE

triadic

#5B9CEE #EE5B9C #9CEE5B

tetradic

#5B9CEE #EE5BE6 #EEAD5B #5BEE64

square

#5B9CEE #EE5BE6 #EEAD5B #5BEE64

split-complementary

#5B9CEE #EE645B #E6EE5B

monochromatic

#135EBB #247BE8 #5B9CEE #92BDF4 #CADFF9

Accessibility & contrast

On white

2.82

#5B9CEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#5B9CEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9CEE

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9CEE	#FFFFFF	#000000	##000000
##5B9CEE	1.00	2.82	7.43	7.43
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A1F1

Deuteranopia (green-blind)

#6593EC

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #5b9cee;
/* rgb */ color: rgb(91, 156, 238);
/* oklch */ color: oklch(68.6% 0.139 255.1);

Tailwind

colors: {
  custom: {
    50: '#96b8f4',
    500: '#5b9cee',
    950: '#000000',
  },
}

SCSS

$custom: #5b9cee;
$custom-light: #96b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9cee",
  "rgb": {
    "r": 91,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 213.469,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.6858,
    "c": 0.13899,
    "h": 255.1
  },
  "luminance": 0.32174
}

Semantic roles & 50–950 ramp

primary

#5B9CEE

secondary

#ECD5B9

accent

#7F08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9CEE

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

Preview Lab → · Contrast checker → · Palette generator →