#5B9FEF#5B9FEF

#5B9FEF is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.3% C 0.137 H 253.7°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FEF
RGB	rgb(91, 159, 239)
HSL	hsl(212, 82%, 65%)
HSV	hsv(212, 62%, 94%)
CMYK	cmyk(61.9%, 33.5%, 0%, 6.3%)
CIE-LAB	lab(64.36, 2.48, -46.58)
CIE-LCH	lch(64.36, 46.64, 273.05°)
OKLab	oklab(69.28% -0.0385 -0.1318)
OKLCH	oklch(69.28% 0.137 253.7)
XYZ	xyz(32.2869, 33.2494, 86.3609)
Luminance	0.3325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FEF #EFAB5B

analogous

#5BE9EF #5B9FEF #615BEF

triadic

#5B9FEF #EF5B9F #9FEF5B

tetradic

#5B9FEF #EF5BE9 #EFAB5B #5BEF61

square

#5B9FEF #EF5BE9 #EFAB5B #5BEF61

split-complementary

#5B9FEF #EF615B #E9EF5B

monochromatic

#1261BD #237EEA #5B9FEF #93C0F4 #CBE0FA

Accessibility & contrast

On white

2.74

#5B9FEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#5B9FEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FEF

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FEF	#FFFFFF	#000000	##000000
##5B9FEF	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA4F2

Deuteranopia (green-blind)

#6996ED

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #5b9fef;
/* rgb */ color: rgb(91, 159, 239);
/* oklch */ color: oklch(69.3% 0.137 253.7);

Tailwind

colors: {
  custom: {
    50: '#96bbf4',
    500: '#5b9fef',
    950: '#000000',
  },
}

SCSS

$custom: #5b9fef;
$custom-light: #96bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9fef",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 239
  },
  "hsl": {
    "h": 212.432,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.69283,
    "c": 0.13736,
    "h": 253.7
  },
  "luminance": 0.33252
}

Semantic roles & 50–950 ramp

primary

#5B9FEF

secondary

#ECD5BA

accent

#7B07DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9FEF

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

Preview Lab → · Contrast checker → · Palette generator →