#6374F1#6374F1

#6374F1 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 61.1% C 0.187 H 273.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#6374F1
RGB	rgb(99, 116, 241)
HSL	hsl(233, 84%, 67%)
HSV	hsv(233, 59%, 95%)
CMYK	cmyk(58.9%, 51.9%, 0%, 5.5%)
CIE-LAB	lab(53.48, 30.25, -65.01)
CIE-LCH	lch(53.48, 71.70, 294.95°)
OKLab	oklab(61.07% 0.0121 -0.1862)
OKLCH	oklch(61.07% 0.187 273.7)
XYZ	xyz(27.2630, 21.4922, 85.9138)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6374F1 #F1E063

analogous

#63BBF1 #6374F1 #9963F1

triadic

#6374F1 #F16374 #74F163

tetradic

#6374F1 #F163BB #F1E063 #63F199

square

#6374F1 #F163BB #F1E063 #63F199

split-complementary

#6374F1 #F19963 #BBF163

monochromatic

#1228C8 #2B42EC #6374F1 #9BA6F6 #D3D8FB

Accessibility & contrast

On white

3.96

#6374F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#6374F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6374F1

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6374F1	#FFFFFF	#000000	##000000
##6374F1	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2986F5

Deuteranopia (green-blind)

#007AEE

Tritanopia (blue-blind)

#0091A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6374f1;
/* rgb */ color: rgb(99, 116, 241);
/* oklch */ color: oklch(61.1% 0.187 273.7);

Tailwind

colors: {
  custom: {
    50: '#9b9bf6',
    500: '#6374f1',
    950: '#000000',
  },
}

SCSS

$custom: #6374f1;
$custom-light: #9b9bf6;
$custom-dark: #000000;

JSON

{
  "hex": "#6374f1",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 241
  },
  "hsl": {
    "h": 232.817,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.61065,
    "c": 0.18664,
    "h": 273.7
  },
  "luminance": 0.21494
}

Semantic roles & 50–950 ramp

primary

#6374F1

secondary

#EFE9C1

accent

#C606E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6374F1

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

Preview Lab → · Contrast checker → · Palette generator →