#6397ED#6397ED

#6397ED is a light, vivid blue. Relative luminance 0.309; OKLCH L 67.8% C 0.140 H 260.0°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#6397ED
RGB	rgb(99, 151, 237)
HSL	hsl(217, 79%, 66%)
HSV	hsv(217, 58%, 93%)
CMYK	cmyk(58.2%, 36.3%, 0%, 7.1%)
CIE-LAB	lab(62.42, 7.97, -48.52)
CIE-LCH	lch(62.42, 49.17, 279.32°)
OKLab	oklab(67.83% -0.0243 -0.1375)
OKLCH	oklch(67.83% 0.14 260)
XYZ	xyz(31.4929, 30.8976, 84.4086)
Luminance	0.3090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397ED #EDB963

analogous

#63DCED #6397ED #7463ED

triadic

#6397ED #ED6397 #97ED63

tetradic

#6397ED #ED63DC #EDB963 #63ED74

square

#6397ED #ED63DC #EDB963 #63ED74

split-complementary

#6397ED #ED7463 #DCED63

monochromatic

#1656C0 #2C72E7 #6397ED #9ABCF3 #D1E0FA

Accessibility & contrast

On white

2.92

#6397ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#6397ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397ED

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397ED	#FFFFFF	#000000	##000000
##6397ED	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739EF1

Deuteranopia (green-blind)

#6191EB

Tritanopia (blue-blind)

#00AAB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6397ed;
/* rgb */ color: rgb(99, 151, 237);
/* oklch */ color: oklch(67.8% 0.140 260.0);

Tailwind

colors: {
  custom: {
    50: '#99b5f3',
    500: '#6397ed',
    950: '#000000',
  },
}

SCSS

$custom: #6397ed;
$custom-light: #99b5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6397ed",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 237
  },
  "hsl": {
    "h": 217.391,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.67834,
    "c": 0.13959,
    "h": 260
  },
  "luminance": 0.309
}

Semantic roles & 50–950 ramp

primary

#6397ED

secondary

#EDDCBF

accent

#8D0ADC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6397ED

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

Preview Lab → · Contrast checker → · Palette generator →