#6375F3#6375F3

#6375F3 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.4% C 0.188 H 273.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#6375F3
RGB	rgb(99, 117, 243)
HSL	hsl(233, 86%, 67%)
HSV	hsv(233, 59%, 95%)
CMYK	cmyk(59.3%, 51.9%, 0%, 4.7%)
CIE-LAB	lab(53.86, 30.29, -65.52)
CIE-LCH	lch(53.86, 72.18, 294.81°)
OKLab	oklab(61.39% 0.0113 -0.1877)
OKLCH	oklch(61.39% 0.188 273.4)
XYZ	xyz(27.6792, 21.8441, 87.5344)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6375F3 #F3E163

analogous

#63BDF3 #6375F3 #9963F3

triadic

#6375F3 #F36375 #75F363

tetradic

#6375F3 #F363BD #F3E163 #63F399

square

#6375F3 #F363BD #F3E163 #63F399

split-complementary

#6375F3 #F39963 #BDF363

monochromatic

#1027CC #2A43EF #6375F3 #9CA7F7 #D5DAFC

Accessibility & contrast

On white

3.91

#6375F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#6375F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6375F3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6375F3	#FFFFFF	#000000	##000000
##6375F3	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2987F7

Deuteranopia (green-blind)

#007BF0

Tritanopia (blue-blind)

#0092A9

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6375f3;
/* rgb */ color: rgb(99, 117, 243);
/* oklch */ color: oklch(61.4% 0.188 273.4);

Tailwind

colors: {
  custom: {
    50: '#9b9cf8',
    500: '#6375f3',
    950: '#000000',
  },
}

SCSS

$custom: #6375f3;
$custom-light: #9b9cf8;
$custom-dark: #000000;

JSON

{
  "hex": "#6375f3",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 243
  },
  "hsl": {
    "h": 232.5,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.6139,
    "c": 0.18807,
    "h": 273.4
  },
  "luminance": 0.21846
}

Semantic roles & 50–950 ramp

primary

#6375F3

secondary

#F0EAC2

accent

#C603E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6375F3

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

Preview Lab → · Contrast checker → · Palette generator →