#6397E4#6397E4

#6397E4 is a light, vivid blue. Relative luminance 0.304; OKLCH L 67.4% C 0.128 H 258.0°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#6397E4
RGB	rgb(99, 151, 228)
HSL	hsl(216, 70%, 64%)
HSV	hsv(216, 57%, 89%)
CMYK	cmyk(56.6%, 33.8%, 0%, 10.6%)
CIE-LAB	lab(61.98, 5.09, -44.23)
CIE-LCH	lch(61.98, 44.53, 276.56°)
OKLab	oklab(67.35% -0.0265 -0.125)
OKLCH	oklch(67.35% 0.128 258)
XYZ	xyz(30.2109, 30.3848, 77.6566)
Luminance	0.3039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397E4 #E4B063

analogous

#63D8E4 #6397E4 #7063E4

triadic

#6397E4 #E46397 #97E463

tetradic

#6397E4 #E463D8 #E4B063 #63E470

square

#6397E4 #E463D8 #E4B063 #63E470

split-complementary

#6397E4 #E47063 #D8E463

monochromatic

#1E58AE #2F74DB #6397E4 #97BAED #CBDDF6

Accessibility & contrast

On white

2.97

#6397E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#6397E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397E4

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397E4	#FFFFFF	#000000	##000000
##6397E4	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779CE7

Deuteranopia (green-blind)

#6790E2

Tritanopia (blue-blind)

#00A8B3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #6397e4;
/* rgb */ color: rgb(99, 151, 228);
/* oklch */ color: oklch(67.4% 0.128 258.0);

Tailwind

colors: {
  custom: {
    50: '#98b5ed',
    500: '#6397e4',
    950: '#000000',
  },
}

SCSS

$custom: #6397e4;
$custom-light: #98b5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#6397e4",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 228
  },
  "hsl": {
    "h": 215.814,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.67351,
    "c": 0.12774,
    "h": 258
  },
  "luminance": 0.30387
}

Semantic roles & 50–950 ramp

primary

#6397E4

secondary

#E8D6BB

accent

#8513D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #6397E4

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

Preview Lab → · Contrast checker → · Palette generator →