#6391F7#6391F7

#6391F7 is a light, vivid blue. Relative luminance 0.296; OKLCH L 67.2% C 0.160 H 264.3°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#6391F7
RGB	rgb(99, 145, 247)
HSL	hsl(221, 90%, 68%)
HSV	hsv(221, 60%, 97%)
CMYK	cmyk(59.9%, 41.3%, 0%, 3.1%)
CIE-LAB	lab(61.32, 14.75, -55.77)
CIE-LCH	lch(61.32, 57.68, 284.81°)
OKLab	oklab(67.15% -0.016 -0.1587)
OKLCH	oklch(67.15% 0.16 264.3)
XYZ	xyz(32.0537, 29.6161, 92.0050)
Luminance	0.2962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6391F7 #F7C963

analogous

#63DBF7 #6391F7 #7F63F7

triadic

#6391F7 #F76391 #91F763

tetradic

#6391F7 #F763DB #F7C963 #63F77F

square

#6391F7 #F763DB #F7C963 #63F77F

split-complementary

#6391F7 #F77F63 #DBF763

monochromatic

#0B4AD5 #2968F4 #6391F7 #9DBAFA #D7E3FD

Accessibility & contrast

On white

3.03

#6391F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#6391F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6391F7

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6391F7	#FFFFFF	#000000	##000000
##6391F7	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#649BFB

Deuteranopia (green-blind)

#4F8EF5

Tritanopia (blue-blind)

#00A8B8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6391f7;
/* rgb */ color: rgb(99, 145, 247);
/* oklch */ color: oklch(67.2% 0.160 264.3);

Tailwind

colors: {
  custom: {
    50: '#9bb0fa',
    500: '#6391f7',
    950: '#000000',
  },
}

SCSS

$custom: #6391f7;
$custom-light: #9bb0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#6391f7",
  "rgb": {
    "r": 99,
    "g": 145,
    "b": 247
  },
  "hsl": {
    "h": 221.351,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.67151,
    "c": 0.15955,
    "h": 264.3
  },
  "luminance": 0.29619
}

Semantic roles & 50–950 ramp

primary

#6391F7

secondary

#F2E4C4

accent

#9E00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6391F7

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

Preview Lab → · Contrast checker → · Palette generator →