#6397E9#6397E9

#6397E9 is a light, vivid blue. Relative luminance 0.307; OKLCH L 67.6% C 0.134 H 259.2°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#6397E9
RGB	rgb(99, 151, 233)
HSL	hsl(217, 75%, 65%)
HSV	hsv(217, 58%, 91%)
CMYK	cmyk(57.5%, 35.2%, 0%, 8.6%)
CIE-LAB	lab(62.23, 6.68, -46.62)
CIE-LCH	lch(62.23, 47.10, 278.16°)
OKLab	oklab(67.62% -0.0252 -0.1319)
OKLCH	oklch(67.62% 0.134 259.2)
XYZ	xyz(30.9151, 30.6665, 81.3651)
Luminance	0.3067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397E9 #E9B563

analogous

#63DAE9 #6397E9 #7263E9

triadic

#6397E9 #E96397 #97E963

tetradic

#6397E9 #E963DA #E9B563 #63E972

square

#6397E9 #E963DA #E9B563 #63E972

split-complementary

#6397E9 #E97263 #DAE963

monochromatic

#1A57B8 #2D73E1 #6397E9 #99BBF1 #CEDFF8

Accessibility & contrast

On white

2.94

#6397E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#6397E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397E9

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397E9	#FFFFFF	#000000	##000000
##6397E9	1.00	2.94	7.13	7.13
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759DEC

Deuteranopia (green-blind)

#6491E7

Tritanopia (blue-blind)

#00A9B5

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #6397e9;
/* rgb */ color: rgb(99, 151, 233);
/* oklch */ color: oklch(67.6% 0.134 259.2);

Tailwind

colors: {
  custom: {
    50: '#99b5f0',
    500: '#6397e9',
    950: '#000000',
  },
}

SCSS

$custom: #6397e9;
$custom-light: #99b5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#6397e9",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 233
  },
  "hsl": {
    "h": 216.716,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.67617,
    "c": 0.13431,
    "h": 259.2
  },
  "luminance": 0.30669
}

Semantic roles & 50–950 ramp

primary

#6397E9

secondary

#EBD9BD

accent

#890ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #6397E9

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

Preview Lab → · Contrast checker → · Palette generator →