#6397EF#6397EF

#6397EF is a light, vivid blue. Relative luminance 0.310; OKLCH L 67.9% C 0.142 H 260.4°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#6397EF
RGB	rgb(99, 151, 239)
HSL	hsl(218, 81%, 66%)
HSV	hsv(218, 59%, 94%)
CMYK	cmyk(58.6%, 36.8%, 0%, 6.3%)
CIE-LAB	lab(62.52, 8.61, -49.46)
CIE-LCH	lch(62.52, 50.21, 279.88°)
OKLab	oklab(67.94% -0.0238 -0.1402)
OKLCH	oklch(67.94% 0.142 260.4)
XYZ	xyz(31.7868, 31.0151, 85.9560)
Luminance	0.3102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397EF #EFBB63

analogous

#63DDEF #6397EF #7563EF

triadic

#6397EF #EF6397 #97EF63

tetradic

#6397EF #EF63DD #EFBB63 #63EF75

square

#6397EF #EF63DD #EFBB63 #63EF75

split-complementary

#6397EF #EF7563 #DDEF63

monochromatic

#1455C4 #2B72E9 #6397EF #9BBCF5 #D2E1FA

Accessibility & contrast

On white

2.92

#6397EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#6397EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397EF

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397EF	#FFFFFF	#000000	##000000
##6397EF	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#729EF3

Deuteranopia (green-blind)

#5F91ED

Tritanopia (blue-blind)

#00ABB8

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6397ef;
/* rgb */ color: rgb(99, 151, 239);
/* oklch */ color: oklch(67.9% 0.142 260.4);

Tailwind

colors: {
  custom: {
    50: '#9ab5f4',
    500: '#6397ef',
    950: '#000000',
  },
}

SCSS

$custom: #6397ef;
$custom-light: #9ab5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6397ef",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 239
  },
  "hsl": {
    "h": 217.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.67943,
    "c": 0.14223,
    "h": 260.4
  },
  "luminance": 0.31018
}

Semantic roles & 50–950 ramp

primary

#6397EF

secondary

#EEDDC0

accent

#8E08DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6397EF

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

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