#6366AE#6366AE

#6366AE is a mid, moderate blue. Relative luminance 0.152; OKLCH L 54.1% C 0.111 H 280.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#6366AE
RGB	rgb(99, 102, 174)
HSL	hsl(238, 32%, 54%)
HSV	hsv(238, 43%, 68%)
CMYK	cmyk(43.1%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(45.92, 17.73, -38.88)
CIE-LCH	lch(45.92, 42.74, 294.52°)
OKLab	oklab(54.06% 0.0197 -0.1097)
OKLCH	oklch(54.06% 0.111 280.2)
XYZ	xyz(17.5347, 15.2106, 42.0482)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6366AE #AEAB63

analogous

#638BAE #6366AE #8563AE

triadic

#6366AE #AE6366 #66AE63

tetradic

#6366AE #AE638B #AEAB63 #63AE85

square

#6366AE #AE638B #AEAB63 #63AE85

split-complementary

#6366AE #AE8563 #8BAE63

monochromatic

#333563 #484B8B #6366AE #8B8EC3 #B4B5D8

Accessibility & contrast

On white

5.20

#6366AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#6366AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6366AE

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6366AE	#FFFFFF	#000000	##FFFFFF
##6366AE	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C70B1

Deuteranopia (green-blind)

#476AAC

Tritanopia (blue-blind)

#4B7581

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6366ae;
/* rgb */ color: rgb(99, 102, 174);
/* oklch */ color: oklch(54.1% 0.111 280.2);

Tailwind

colors: {
  custom: {
    50: '#9391c6',
    500: '#6366ae',
    950: '#000000',
  },
}

SCSS

$custom: #6366ae;
$custom-light: #9391c6;
$custom-dark: #000000;

JSON

{
  "hex": "#6366ae",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 237.6,
    "s": 31.646,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54059,
    "c": 0.11143,
    "h": 280.2
  },
  "luminance": 0.15211
}

Semantic roles & 50–950 ramp

primary

#6366AE

secondary

#C6C5A6

accent

#C460C8

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #6366AE

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

Preview Lab → · Contrast checker → · Palette generator →