#5B99F2#5B99F2

#5B99F2 is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.2% C 0.147 H 257.5°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#5B99F2
RGB	rgb(91, 153, 242)
HSL	hsl(215, 85%, 65%)
HSV	hsv(215, 62%, 95%)
CMYK	cmyk(62.4%, 36.8%, 0%, 5.1%)
CIE-LAB	lab(62.86, 6.95, -50.60)
CIE-LCH	lch(62.86, 51.08, 277.82°)
OKLab	oklab(68.16% -0.0317 -0.1437)
OKLCH	oklch(68.16% 0.147 257.5)
XYZ	xyz(31.7269, 31.4144, 88.3788)
Luminance	0.3142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B99F2 #F2B45B

analogous

#5BE5F2 #5B99F2 #685BF2

triadic

#5B99F2 #F25B99 #99F25B

tetradic

#5B99F2 #F25BE5 #F2B45B #5BF268

square

#5B99F2 #F25BE5 #F2B45B #5BF268

split-complementary

#5B99F2 #F2685B #E5F25B

monochromatic

#0F59C3 #2276EE #5B99F2 #94BCF6 #CCE0FB

Accessibility & contrast

On white

2.88

#5B99F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#5B99F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B99F2

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B99F2	#FFFFFF	#000000	##000000
##5B99F2	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#72A0F6

Deuteranopia (green-blind)

#5D92F0

Tritanopia (blue-blind)

#00ADBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5b99f2;
/* rgb */ color: rgb(91, 153, 242);
/* oklch */ color: oklch(68.2% 0.147 257.5);

Tailwind

colors: {
  custom: {
    50: '#96b6f7',
    500: '#5b99f2',
    950: '#000000',
  },
}

SCSS

$custom: #5b99f2;
$custom-light: #96b6f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b99f2",
  "rgb": {
    "r": 91,
    "g": 153,
    "b": 242
  },
  "hsl": {
    "h": 215.364,
    "s": 85.311,
    "l": 65.294
  },
  "oklch": {
    "l": 0.68155,
    "c": 0.14713,
    "h": 257.5
  },
  "luminance": 0.31417
}

Semantic roles & 50–950 ramp

primary

#5B99F2

secondary

#EED9BB

accent

#8704E2

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5B99F2

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

Preview Lab → · Contrast checker → · Palette generator →