#5B9FEE#5B9FEE

#5B9FEE is a light, vivid cyan. Relative luminance 0.332; OKLCH L 69.2% C 0.136 H 253.4°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FEE
RGB	rgb(91, 159, 238)
HSL	hsl(212, 81%, 65%)
HSV	hsv(212, 62%, 93%)
CMYK	cmyk(61.8%, 33.2%, 0%, 6.7%)
CIE-LAB	lab(64.31, 2.16, -46.10)
CIE-LCH	lch(64.31, 46.15, 272.68°)
OKLab	oklab(69.23% -0.0388 -0.1305)
OKLCH	oklch(69.23% 0.136 253.4)
XYZ	xyz(32.1396, 33.1904, 85.5850)
Luminance	0.3319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FEE #EEAA5B

analogous

#5BE8EE #5B9FEE #615BEE

triadic

#5B9FEE #EE5B9F #9FEE5B

tetradic

#5B9FEE #EE5BE8 #EEAA5B #5BEE61

square

#5B9FEE #EE5BE8 #EEAA5B #5BEE61

split-complementary

#5B9FEE #EE615B #E8EE5B

monochromatic

#1361BB #247FE8 #5B9FEE #92BFF4 #CAE0F9

Accessibility & contrast

On white

2.75

#5B9FEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#5B9FEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FEE

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FEE	#FFFFFF	#000000	##000000
##5B9FEE	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA4F1

Deuteranopia (green-blind)

#6996EC

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #5b9fee;
/* rgb */ color: rgb(91, 159, 238);
/* oklch */ color: oklch(69.2% 0.136 253.4);

Tailwind

colors: {
  custom: {
    50: '#96bbf4',
    500: '#5b9fee',
    950: '#000000',
  },
}

SCSS

$custom: #5b9fee;
$custom-light: #96bbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9fee",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 238
  },
  "hsl": {
    "h": 212.245,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.6923,
    "c": 0.13611,
    "h": 253.4
  },
  "luminance": 0.33193
}

Semantic roles & 50–950 ramp

primary

#5B9FEE

secondary

#ECD4B9

accent

#7B08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5B9FEE

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

Preview Lab → · Contrast checker → · Palette generator →