#5599F9#5599F9

#5599F9 is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.3% C 0.158 H 257.3°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#5599F9
RGB	rgb(85, 153, 249)
HSL	hsl(215, 93%, 65%)
HSV	hsv(215, 66%, 98%)
CMYK	cmyk(65.9%, 38.6%, 0%, 2.4%)
CIE-LAB	lab(62.97, 8.28, -54.28)
CIE-LCH	lch(62.97, 54.91, 278.68°)
OKLab	oklab(68.29% -0.0347 -0.1545)
OKLCH	oklch(68.29% 0.158 257.3)
XYZ	xyz(32.2303, 31.5501, 93.9954)
Luminance	0.3155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5599F9 #F9B555

analogous

#55EBF9 #5599F9 #6355F9

triadic

#5599F9 #F95599 #99F955

tetradic

#5599F9 #F955EB #F9B555 #55F963

square

#5599F9 #F955EB #F9B555 #55F963

split-complementary

#5599F9 #F96355 #EBF955

monochromatic

#0759CC #1A76F7 #5599F9 #90BCFB #CBE0FD

Accessibility & contrast

On white

2.87

#5599F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#5599F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5599F9

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5599F9	#FFFFFF	#000000	##000000
##5599F9	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6EA1FD

Deuteranopia (green-blind)

#5591F7

Tritanopia (blue-blind)

#00AFBD

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5599f9;
/* rgb */ color: rgb(85, 153, 249);
/* oklch */ color: oklch(68.3% 0.158 257.3);

Tailwind

colors: {
  custom: {
    50: '#94b6fc',
    500: '#5599f9',
    950: '#000000',
  },
}

SCSS

$custom: #5599f9;
$custom-light: #94b6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#5599f9",
  "rgb": {
    "r": 85,
    "g": 153,
    "b": 249
  },
  "hsl": {
    "h": 215.122,
    "s": 93.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68293,
    "c": 0.15838,
    "h": 257.3
  },
  "luminance": 0.31553
}

Semantic roles & 50–950 ramp

primary

#5599F9

secondary

#F0DAB9

accent

#8600E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5599F9

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

Preview Lab → · Contrast checker → · Palette generator →