#6397FF#6397FF

#6397FF is a light, vivid blue. Relative luminance 0.320; OKLCH L 68.8% C 0.163 H 262.8°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#6397FF
RGB	rgb(99, 151, 255)
HSL	hsl(220, 100%, 69%)
HSV	hsv(220, 61%, 100%)
CMYK	cmyk(61.2%, 40.8%, 0%, 0%)
CIE-LAB	lab(63.35, 13.82, -56.93)
CIE-LCH	lch(63.35, 58.58, 283.64°)
OKLab	oklab(68.85% -0.0205 -0.1621)
OKLCH	oklch(68.85% 0.163 262.8)
XYZ	xyz(34.2559, 32.0028, 98.9603)
Luminance	0.3201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397FF #FFCB63

analogous

#63E5FF #6397FF #7D63FF

triadic

#6397FF #FF6397 #97FF63

tetradic

#6397FF #FF63E5 #FFCB63 #63FF7D

square

#6397FF #FF63E5 #FFCB63 #63FF7D

split-complementary

#6397FF #FF7D63 #E5FF63

monochromatic

#004DE8 #266EFF #6397FF #A0C0FF #DDE9FF

Accessibility & contrast

On white

2.84

#6397FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#6397FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397FF

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397FF	#FFFFFF	#000000	##000000
##6397FF	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#69A1FF

Deuteranopia (green-blind)

#5293FD

Tritanopia (blue-blind)

#00AEBF

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #6397ff;
/* rgb */ color: rgb(99, 151, 255);
/* oklch */ color: oklch(68.8% 0.163 262.8);

Tailwind

colors: {
  custom: {
    50: '#9cb5ff',
    500: '#6397ff',
    950: '#000000',
  },
}

SCSS

$custom: #6397ff;
$custom-light: #9cb5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6397ff",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 255
  },
  "hsl": {
    "h": 220,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.6885,
    "c": 0.16337,
    "h": 262.8
  },
  "luminance": 0.32006
}

Semantic roles & 50–950 ramp

primary

#6397FF

secondary

#F5E6C8

accent

#9900E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #6397FF

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

Preview Lab → · Contrast checker → · Palette generator →