#6398F4#6398F4

#6398F4 is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.4% C 0.148 H 260.8°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#6398F4
RGB	rgb(99, 152, 244)
HSL	hsl(218, 87%, 67%)
HSV	hsv(218, 59%, 96%)
CMYK	cmyk(59.4%, 37.7%, 0%, 4.3%)
CIE-LAB	lab(63.04, 9.64, -51.38)
CIE-LCH	lch(63.04, 52.28, 280.63°)
OKLab	oklab(68.43% -0.0237 -0.1458)
OKLCH	oklch(68.43% 0.148 260.8)
XYZ	xyz(32.6973, 31.6379, 89.9540)
Luminance	0.3164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6398F4 #F4BF63

analogous

#63E0F4 #6398F4 #7763F4

triadic

#6398F4 #F46398 #98F463

tetradic

#6398F4 #F463E0 #F4BF63 #63F477

square

#6398F4 #F463E0 #F4BF63 #63F477

split-complementary

#6398F4 #F47763 #E0F463

monochromatic

#0F55CE #2A72F0 #6398F4 #9CBEF8 #D5E3FC

Accessibility & contrast

On white

2.87

#6398F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#6398F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6398F4

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6398F4	#FFFFFF	#000000	##000000
##6398F4	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A0F8

Deuteranopia (green-blind)

#5D92F2

Tritanopia (blue-blind)

#00ADBA

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #6398f4;
/* rgb */ color: rgb(99, 152, 244);
/* oklch */ color: oklch(68.4% 0.148 260.8);

Tailwind

colors: {
  custom: {
    50: '#9ab5f8',
    500: '#6398f4',
    950: '#000000',
  },
}

SCSS

$custom: #6398f4;
$custom-light: #9ab5f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6398f4",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 244
  },
  "hsl": {
    "h": 218.069,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.6843,
    "c": 0.14775,
    "h": 260.8
  },
  "luminance": 0.31641
}

Semantic roles & 50–950 ramp

primary

#6398F4

secondary

#F0E0C3

accent

#9102E3

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6398F4

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

Preview Lab → · Contrast checker → · Palette generator →