#6366FC#6366FC

#6366FC is a mid, highly saturated blue. Relative luminance 0.192; OKLCH L 59.4% C 0.218 H 276.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#6366FC
RGB	rgb(99, 102, 252)
HSL	hsl(239, 96%, 69%)
HSV	hsv(239, 61%, 99%)
CMYK	cmyk(60.7%, 59.5%, 0%, 1.2%)
CIE-LAB	lab(50.90, 42.19, -75.32)
CIE-LCH	lch(50.90, 86.33, 299.26°)
OKLab	oklab(59.38% 0.0251 -0.2167)
OKLCH	oklch(59.38% 0.218 276.6)
XYZ	xyz(27.4620, 19.1815, 94.3318)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6366FC #FCF963

analogous

#63B2FC #6366FC #AD63FC

triadic

#6366FC #FC6366 #66FC63

tetradic

#6366FC #FC63B2 #FCF963 #63FCAD

square

#6366FC #FC63B2 #FCF963 #63FCAD

split-complementary

#6366FC #FCAD63 #B2FC63

monochromatic

#0409E0 #272BFB #6366FC #9FA1FD #DBDCFE

Accessibility & contrast

On white

4.34

#6366FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#6366FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6366FC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6366FC	#FFFFFF	#000000	##000000
##6366FC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FF

Deuteranopia (green-blind)

#0073F9

Tritanopia (blue-blind)

#008BA7

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6366fc;
/* rgb */ color: rgb(99, 102, 252);
/* oklch */ color: oklch(59.4% 0.218 276.6);

Tailwind

colors: {
  custom: {
    50: '#9e92fe',
    500: '#6366fc',
    950: '#000000',
  },
}

SCSS

$custom: #6366fc;
$custom-light: #9e92fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6366fc",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 252
  },
  "hsl": {
    "h": 238.824,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.59379,
    "c": 0.21813,
    "h": 276.6
  },
  "luminance": 0.19184
}

Semantic roles & 50–950 ramp

primary

#6366FC

secondary

#F4F3C7

accent

#E100E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6366FC

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

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