#6397F0#6397F0

#6397F0 is a light, vivid blue. Relative luminance 0.311; OKLCH L 68.0% C 0.144 H 260.5°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#6397F0
RGB	rgb(99, 151, 240)
HSL	hsl(218, 82%, 66%)
HSV	hsv(218, 59%, 94%)
CMYK	cmyk(58.8%, 37.1%, 0%, 5.9%)
CIE-LAB	lab(62.57, 8.93, -49.93)
CIE-LCH	lch(62.57, 50.73, 280.14°)
OKLab	oklab(68% -0.0236 -0.1416)
OKLCH	oklch(68% 0.144 260.5)
XYZ	xyz(31.9349, 31.0744, 86.7362)
Luminance	0.3108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397F0 #F0BC63

analogous

#63DEF0 #6397F0 #7663F0

triadic

#6397F0 #F06397 #97F063

tetradic

#6397F0 #F063DE #F0BC63 #63F076

square

#6397F0 #F063DE #F0BC63 #63F076

split-complementary

#6397F0 #F07663 #DEF063

monochromatic

#1355C6 #2B72EB #6397F0 #9BBCF5 #D3E1FB

Accessibility & contrast

On white

2.91

#6397F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#6397F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397F0

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397F0	#FFFFFF	#000000	##000000
##6397F0	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#719EF4

Deuteranopia (green-blind)

#5F91EE

Tritanopia (blue-blind)

#00ABB8

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6397f0;
/* rgb */ color: rgb(99, 151, 240);
/* oklch */ color: oklch(68.0% 0.144 260.5);

Tailwind

colors: {
  custom: {
    50: '#9ab5f5',
    500: '#6397f0',
    950: '#000000',
  },
}

SCSS

$custom: #6397f0;
$custom-light: #9ab5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6397f0",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 240
  },
  "hsl": {
    "h": 217.872,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.67998,
    "c": 0.14355,
    "h": 260.5
  },
  "luminance": 0.31077
}

Semantic roles & 50–950 ramp

primary

#6397F0

secondary

#EEDDC1

accent

#8F07DF

background

#FAFBFF

surface

#F3F6FE

border

#CDD0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6397F0

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

Preview Lab → · Contrast checker → · Palette generator →