#6355DD#6355DD

#6355DD is a mid, vivid blue. Relative luminance 0.144; OKLCH L 54.1% C 0.199 H 282.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#6355DD
RGB	rgb(99, 85, 221)
HSL	hsl(246, 67%, 60%)
HSV	hsv(246, 62%, 87%)
CMYK	cmyk(55.2%, 61.5%, 0%, 13.3%)
CIE-LAB	lab(44.76, 42.49, -67.89)
CIE-LCH	lch(44.76, 80.09, 302.04°)
OKLab	oklab(54.15% 0.0418 -0.195)
OKLCH	oklch(54.15% 0.199 282.1)
XYZ	xyz(21.4412, 14.3688, 70.0362)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6355DD #CFDD55

analogous

#558BDD #6355DD #A755DD

triadic

#6355DD #DD6355 #55DD63

tetradic

#6355DD #DD558B #CFDD55 #55DDA7

square

#6355DD #DD558B #CFDD55 #55DDA7

split-complementary

#6355DD #DDA755 #8BDD55

monochromatic

#2B1F99 #3A29CC #6355DD #9288E7 #C1BBF1

Accessibility & contrast

On white

5.42

#6355DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#6355DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6355DD

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6355DD	#FFFFFF	#000000	##FFFFFF
##6355DD	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0065DA

Tritanopia (blue-blind)

#277691

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6355dd;
/* rgb */ color: rgb(99, 85, 221);
/* oklch */ color: oklch(54.1% 0.199 282.1);

Tailwind

colors: {
  custom: {
    50: '#9a86e9',
    500: '#6355dd',
    950: '#000000',
  },
}

SCSS

$custom: #6355dd;
$custom-light: #9a86e9;
$custom-dark: #000000;

JSON

{
  "hex": "#6355dd",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 221
  },
  "hsl": {
    "h": 246.176,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.54147,
    "c": 0.19938,
    "h": 282.1
  },
  "luminance": 0.1437
}

Semantic roles & 50–950 ramp

primary

#6355DD

secondary

#DCE1AD

accent

#EA3ED8

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6355DD

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

Preview Lab → · Contrast checker → · Palette generator →