#6397EE#6397EE

#6397EE is a light, vivid blue. Relative luminance 0.310; OKLCH L 67.9% C 0.141 H 260.2°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#6397EE
RGB	rgb(99, 151, 238)
HSL	hsl(218, 80%, 66%)
HSV	hsv(218, 58%, 93%)
CMYK	cmyk(58.4%, 36.6%, 0%, 6.7%)
CIE-LAB	lab(62.47, 8.29, -48.99)
CIE-LCH	lch(62.47, 49.69, 279.60°)
OKLab	oklab(67.89% -0.024 -0.1388)
OKLCH	oklch(67.89% 0.141 260.2)
XYZ	xyz(31.6394, 30.9562, 85.1802)
Luminance	0.3096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397EE #EEBA63

analogous

#63DCEE #6397EE #7463EE

triadic

#6397EE #EE6397 #97EE63

tetradic

#6397EE #EE63DC #EEBA63 #63EE74

square

#6397EE #EE63DC #EEBA63 #63EE74

split-complementary

#6397EE #EE7463 #DCEE63

monochromatic

#1556C2 #2C72E8 #6397EE #9ABCF4 #D1E1FA

Accessibility & contrast

On white

2.92

#6397EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#6397EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397EE

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397EE	#FFFFFF	#000000	##000000
##6397EE	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)

#729EF2

Deuteranopia (green-blind)

#6091EC

Tritanopia (blue-blind)

#00AAB7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #6397ee;
/* rgb */ color: rgb(99, 151, 238);
/* oklch */ color: oklch(67.9% 0.141 260.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6397ee",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 238
  },
  "hsl": {
    "h": 217.554,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.67888,
    "c": 0.14091,
    "h": 260.2
  },
  "luminance": 0.30959
}

Semantic roles & 50–950 ramp

primary

#6397EE

secondary

#EDDCC0

accent

#8D09DD

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6397EE

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

Preview Lab → · Contrast checker → · Palette generator →