#6398F3#6398F3

#6398F3 is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.4% C 0.146 H 260.6°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#6398F3
RGB	rgb(99, 152, 243)
HSL	hsl(218, 86%, 67%)
HSV	hsv(218, 59%, 95%)
CMYK	cmyk(59.3%, 37.4%, 0%, 4.7%)
CIE-LAB	lab(62.99, 9.32, -50.92)
CIE-LCH	lch(62.99, 51.76, 280.37°)
OKLab	oklab(68.38% -0.0239 -0.1445)
OKLCH	oklch(68.38% 0.146 260.6)
XYZ	xyz(32.5458, 31.5774, 89.1566)
Luminance	0.3158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6398F3 #F3BE63

analogous

#63E0F3 #6398F3 #7663F3

triadic

#6398F3 #F36398 #98F363

tetradic

#6398F3 #F363E0 #F3BE63 #63F376

square

#6398F3 #F363E0 #F3BE63 #63F376

split-complementary

#6398F3 #F37663 #E0F363

monochromatic

#1055CC #2A72EF #6398F3 #9CBEF7 #D5E3FC

Accessibility & contrast

On white

2.87

#6398F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#6398F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6398F3

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6398F3	#FFFFFF	#000000	##000000
##6398F3	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A0F7

Deuteranopia (green-blind)

#5E92F1

Tritanopia (blue-blind)

#00ACBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #6398f3;
/* rgb */ color: rgb(99, 152, 243);
/* oklch */ color: oklch(68.4% 0.146 260.6);

Tailwind

colors: {
  custom: {
    50: '#9ab5f7',
    500: '#6398f3',
    950: '#000000',
  },
}

SCSS

$custom: #6398f3;
$custom-light: #9ab5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6398f3",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 243
  },
  "hsl": {
    "h": 217.917,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.68375,
    "c": 0.14643,
    "h": 260.6
  },
  "luminance": 0.3158
}

Semantic roles & 50–950 ramp

primary

#6398F3

secondary

#F0DFC2

accent

#9003E2

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6398F3

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

Preview Lab → · Contrast checker → · Palette generator →