#5B9CEF#5B9CEF

#5B9CEF is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.140 H 255.3°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B9CEF
RGB	rgb(91, 156, 239)
HSL	hsl(214, 82%, 65%)
HSV	hsv(214, 62%, 94%)
CMYK	cmyk(61.9%, 34.7%, 0%, 6.3%)
CIE-LAB	lab(63.53, 4.21, -47.89)
CIE-LCH	lch(63.53, 48.07, 275.03°)
OKLab	oklab(68.63% -0.0355 -0.1357)
OKLCH	oklch(68.63% 0.14 255.3)
XYZ	xyz(31.7772, 32.2301, 86.1910)
Luminance	0.3223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9CEF #EFAE5B

analogous

#5BE6EF #5B9CEF #645BEF

triadic

#5B9CEF #EF5B9C #9CEF5B

tetradic

#5B9CEF #EF5BE6 #EFAE5B #5BEF64

square

#5B9CEF #EF5BE6 #EFAE5B #5BEF64

split-complementary

#5B9CEF #EF645B #E6EF5B

monochromatic

#125DBD #237AEA #5B9CEF #93BEF4 #CBDFFA

Accessibility & contrast

On white

2.82

#5B9CEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#5B9CEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9CEF

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9CEF	#FFFFFF	#000000	##000000
##5B9CEF	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A2F2

Deuteranopia (green-blind)

#6493ED

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #5b9cef;
/* rgb */ color: rgb(91, 156, 239);
/* oklch */ color: oklch(68.6% 0.140 255.3);

Tailwind

colors: {
  custom: {
    50: '#96b8f4',
    500: '#5b9cef',
    950: '#000000',
  },
}

SCSS

$custom: #5b9cef;
$custom-light: #96b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9cef",
  "rgb": {
    "r": 91,
    "g": 156,
    "b": 239
  },
  "hsl": {
    "h": 213.649,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.68634,
    "c": 0.14026,
    "h": 255.3
  },
  "luminance": 0.32233
}

Semantic roles & 50–950 ramp

primary

#5B9CEF

secondary

#ECD6BA

accent

#8007DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9CEF

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

Preview Lab → · Contrast checker → · Palette generator →