#6366A0#6366A0

#6366A0 is a mid, moderate blue. Relative luminance 0.147; OKLCH L 53.3% C 0.091 H 280.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#6366A0
RGB	rgb(99, 102, 160)
HSL	hsl(237, 24%, 51%)
HSV	hsv(237, 38%, 63%)
CMYK	cmyk(38.1%, 36.2%, 0%, 37.3%)
CIE-LAB	lab(45.21, 13.61, -31.77)
CIE-LCH	lch(45.21, 34.56, 293.20°)
OKLab	oklab(53.28% 0.0166 -0.089)
OKLCH	oklch(53.28% 0.091 280.6)
XYZ	xyz(16.2403, 14.6929, 35.2312)
Luminance	0.1469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6366A0 #A09D63

analogous

#6384A0 #6366A0 #7E63A0

triadic

#6366A0 #A06366 #66A063

tetradic

#6366A0 #A06384 #A09D63 #63A07E

square

#6366A0 #A06384 #A09D63 #63A07E

split-complementary

#6366A0 #A07E63 #84A063

monochromatic

#343555 #4B4D7B #6366A0 #898BB7 #AFB1CE

Accessibility & contrast

On white

5.33

#6366A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#6366A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6366A0

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6366A0	#FFFFFF	#000000	##FFFFFF
##6366A0	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536DA2

Deuteranopia (green-blind)

#50699F

Tritanopia (blue-blind)

#52717B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6366a0;
/* rgb */ color: rgb(99, 102, 160);
/* oklch */ color: oklch(53.3% 0.091 280.6);

Tailwind

colors: {
  custom: {
    50: '#9291bc',
    500: '#6366a0',
    950: '#000000',
  },
}

SCSS

$custom: #6366a0;
$custom-light: #9291bc;
$custom-dark: #000000;

JSON

{
  "hex": "#6366a0",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 160
  },
  "hsl": {
    "h": 237.049,
    "s": 24.303,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53282,
    "c": 0.09052,
    "h": 280.6
  },
  "luminance": 0.14693
}

Semantic roles & 50–950 ramp

primary

#6366A0

secondary

#BDBCA2

accent

#BC67C1

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #6366A0

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

Preview Lab → · Contrast checker → · Palette generator →