#6398E8#6398E8

#6398E8 is a light, vivid blue. Relative luminance 0.309; OKLCH L 67.8% C 0.132 H 258.4°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#6398E8
RGB	rgb(99, 152, 232)
HSL	hsl(216, 74%, 65%)
HSV	hsv(216, 57%, 91%)
CMYK	cmyk(57.3%, 34.5%, 0%, 9%)
CIE-LAB	lab(62.45, 5.78, -45.71)
CIE-LCH	lch(62.45, 46.08, 277.21°)
OKLab	oklab(67.78% -0.0265 -0.1293)
OKLCH	oklch(67.78% 0.132 258.4)
XYZ	xyz(30.9342, 30.9327, 80.6687)
Luminance	0.3094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6398E8 #E8B363

analogous

#63DBE8 #6398E8 #7063E8

triadic

#6398E8 #E86398 #98E863

tetradic

#6398E8 #E863DB #E8B363 #63E870

square

#6398E8 #E863DB #E8B363 #63E870

split-complementary

#6398E8 #E87063 #DBE863

monochromatic

#1B59B6 #2E75E0 #6398E8 #98BBF0 #CEDEF8

Accessibility & contrast

On white

2.92

#6398E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#6398E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6398E8

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6398E8	#FFFFFF	#000000	##000000
##6398E8	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779EEB

Deuteranopia (green-blind)

#6691E6

Tritanopia (blue-blind)

#00AAB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6398e8;
/* rgb */ color: rgb(99, 152, 232);
/* oklch */ color: oklch(67.8% 0.132 258.4);

Tailwind

colors: {
  custom: {
    50: '#99b6ef',
    500: '#6398e8',
    950: '#000000',
  },
}

SCSS

$custom: #6398e8;
$custom-light: #99b6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6398e8",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 232
  },
  "hsl": {
    "h": 216.09,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.67777,
    "c": 0.13196,
    "h": 258.4
  },
  "luminance": 0.30935
}

Semantic roles & 50–950 ramp

primary

#6398E8

secondary

#EAD8BD

accent

#870FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #6398E8

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

Preview Lab → · Contrast checker → · Palette generator →