#6366A2#6366A2

#6366A2 is a mid, moderate blue. Relative luminance 0.148; OKLCH L 53.4% C 0.094 H 280.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#6366A2
RGB	rgb(99, 102, 162)
HSL	hsl(237, 25%, 51%)
HSV	hsv(237, 39%, 64%)
CMYK	cmyk(38.9%, 37%, 0%, 36.5%)
CIE-LAB	lab(45.31, 14.19, -32.80)
CIE-LCH	lch(45.31, 35.74, 293.40°)
OKLab	oklab(53.39% 0.0171 -0.092)
OKLCH	oklch(53.39% 0.094 280.5)
XYZ	xyz(16.4167, 14.7634, 36.1600)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6366A2 #A29F63

analogous

#6385A2 #6366A2 #7F63A2

triadic

#6366A2 #A26366 #66A263

tetradic

#6366A2 #A26385 #A29F63 #63A27F

square

#6366A2 #A26385 #A29F63 #63A27F

split-complementary

#6366A2 #A27F63 #85A263

monochromatic

#343557 #4B4D7D #6366A2 #898CB9 #B0B1D0

Accessibility & contrast

On white

5.31

#6366A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#6366A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6366A2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6366A2	#FFFFFF	#000000	##FFFFFF
##6366A2	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526EA4

Deuteranopia (green-blind)

#4F69A1

Tritanopia (blue-blind)

#51727C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6366a2;
/* rgb */ color: rgb(99, 102, 162);
/* oklch */ color: oklch(53.4% 0.094 280.5);

Tailwind

colors: {
  custom: {
    50: '#9291be',
    500: '#6366a2',
    950: '#000000',
  },
}

SCSS

$custom: #6366a2;
$custom-light: #9291be;
$custom-dark: #000000;

JSON

{
  "hex": "#6366a2",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 162
  },
  "hsl": {
    "h": 237.143,
    "s": 25.301,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53389,
    "c": 0.09354,
    "h": 280.5
  },
  "luminance": 0.14764
}

Semantic roles & 50–950 ramp

primary

#6366A2

secondary

#BEBDA2

accent

#BD66C2

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #6366A2

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

Preview Lab → · Contrast checker → · Palette generator →