#6399FA#6399FA

#6399FA is a light, vivid blue. Relative luminance 0.323; OKLCH L 69.0% C 0.155 H 261.3°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#6399FA
RGB	rgb(99, 153, 250)
HSL	hsl(219, 94%, 68%)
HSV	hsv(219, 60%, 98%)
CMYK	cmyk(60.4%, 38.8%, 0%, 2%)
CIE-LAB	lab(63.62, 11.01, -53.76)
CIE-LCH	lch(63.62, 54.88, 281.57°)
OKLab	oklab(68.98% -0.0235 -0.1528)
OKLCH	oklch(68.98% 0.155 261.3)
XYZ	xyz(33.7861, 32.3342, 94.8846)
Luminance	0.3234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399FA #FAC463

analogous

#63E4FA #6399FA #7863FA

triadic

#6399FA #FA6399 #99FA63

tetradic

#6399FA #FA63E4 #FAC463 #63FA78

square

#6399FA #FA63E4 #FAC463 #63FA78

split-complementary

#6399FA #FA7863 #E4FA63

monochromatic

#0753DC #2872F8 #6399FA #9EC0FC #DAE7FE

Accessibility & contrast

On white

2.81

#6399FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#6399FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399FA

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399FA	#FFFFFF	#000000	##000000
##6399FA	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6FA2FE

Deuteranopia (green-blind)

#5A94F8

Tritanopia (blue-blind)

#00AFBD

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #6399fa;
/* rgb */ color: rgb(99, 153, 250);
/* oklch */ color: oklch(69.0% 0.155 261.3);

Tailwind

colors: {
  custom: {
    50: '#9bb6fc',
    500: '#6399fa',
    950: '#000000',
  },
}

SCSS

$custom: #6399fa;
$custom-light: #9bb6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#6399fa",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 250
  },
  "hsl": {
    "h": 218.543,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.68976,
    "c": 0.15457,
    "h": 261.3
  },
  "luminance": 0.32337
}

Semantic roles & 50–950 ramp

primary

#6399FA

secondary

#F3E3C6

accent

#9300E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6399FA

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

Preview Lab → · Contrast checker → · Palette generator →