#6378F1#6378F1

#6378F1 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.8% C 0.182 H 272.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#6378F1
RGB	rgb(99, 120, 241)
HSL	hsl(231, 84%, 67%)
HSV	hsv(231, 59%, 95%)
CMYK	cmyk(58.9%, 50.2%, 0%, 5.5%)
CIE-LAB	lab(54.48, 27.82, -63.40)
CIE-LCH	lch(54.48, 69.24, 293.69°)
OKLab	oklab(61.82% 0.0082 -0.1815)
OKLCH	oklch(61.82% 0.182 272.6)
XYZ	xyz(27.7340, 22.4343, 86.0708)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378F1 #F1DC63

analogous

#63BFF1 #6378F1 #9563F1

triadic

#6378F1 #F16378 #78F163

tetradic

#6378F1 #F163BF #F1DC63 #63F195

square

#6378F1 #F163BF #F1DC63 #63F195

split-complementary

#6378F1 #F19563 #BFF163

monochromatic

#122DC8 #2B47EC #6378F1 #9BA9F6 #D3D9FB

Accessibility & contrast

On white

3.83

#6378F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#6378F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378F1

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378F1	#FFFFFF	#000000	##000000
##6378F1	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3689F5

Deuteranopia (green-blind)

#147CEE

Tritanopia (blue-blind)

#0094A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #6378f1;
/* rgb */ color: rgb(99, 120, 241);
/* oklch */ color: oklch(61.8% 0.182 272.6);

Tailwind

colors: {
  custom: {
    50: '#9b9ef6',
    500: '#6378f1',
    950: '#000000',
  },
}

SCSS

$custom: #6378f1;
$custom-light: #9b9ef6;
$custom-dark: #000000;

JSON

{
  "hex": "#6378f1",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 241
  },
  "hsl": {
    "h": 231.127,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.61819,
    "c": 0.18164,
    "h": 272.6
  },
  "luminance": 0.22436
}

Semantic roles & 50–950 ramp

primary

#6378F1

secondary

#EFE8C1

accent

#C006E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6378F1

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

Preview Lab → · Contrast checker → · Palette generator →