#5B9EF9#5B9EF9

#5B9EF9 is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.6% C 0.151 H 256.6°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EF9
RGB	rgb(91, 158, 249)
HSL	hsl(215, 93%, 67%)
HSV	hsv(215, 63%, 98%)
CMYK	cmyk(63.5%, 36.5%, 0%, 2.4%)
CIE-LAB	lab(64.58, 6.35, -51.72)
CIE-LCH	lch(64.58, 52.11, 277.00°)
OKLab	oklab(69.61% -0.0351 -0.1469)
OKLCH	oklch(69.61% 0.151 256.6)
XYZ	xyz(33.6340, 33.5142, 94.3005)
Luminance	0.3352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EF9 #F9B65B

analogous

#5BEDF9 #5B9EF9 #675BF9

triadic

#5B9EF9 #F95B9E #9EF95B

tetradic

#5B9EF9 #F95BED #F9B65B #5BF967

square

#5B9EF9 #F95BED #F9B65B #5BF967

split-complementary

#5B9EF9 #F9675B #EDF95B

monochromatic

#085DD2 #207BF7 #5B9EF9 #96C1FB #D1E4FD

Accessibility & contrast

On white

2.73

#5B9EF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#5B9EF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EF9

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EF9	#FFFFFF	#000000	##000000
##5B9EF9	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A5FD

Deuteranopia (green-blind)

#6096F7

Tritanopia (blue-blind)

#00B3C0

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #5b9ef9;
/* rgb */ color: rgb(91, 158, 249);
/* oklch */ color: oklch(69.6% 0.151 256.6);

Tailwind

colors: {
  custom: {
    50: '#97bafc',
    500: '#5b9ef9',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ef9;
$custom-light: #97bafc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ef9",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 249
  },
  "hsl": {
    "h": 214.557,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69608,
    "c": 0.15099,
    "h": 256.6
  },
  "luminance": 0.33517
}

Semantic roles & 50–950 ramp

primary

#5B9EF9

secondary

#F1DCBE

accent

#8400E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #5B9EF9

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

Preview Lab → · Contrast checker → · Palette generator →