#6478AA#6478AA

#6478AA is a mid, moderate blue. Relative luminance 0.190; OKLCH L 57.7% C 0.081 H 267.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#6478AA
RGB	rgb(100, 120, 170)
HSL	hsl(223, 29%, 53%)
HSV	hsv(223, 41%, 67%)
CMYK	cmyk(41.2%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(50.74, 5.84, -28.99)
CIE-LCH	lch(50.74, 29.57, 281.39°)
OKLab	oklab(57.73% -0.004 -0.0809)
OKLCH	oklch(57.73% 0.081 267.1)
XYZ	xyz(19.2255, 19.0436, 40.6852)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478AA #AA9664

analogous

#649BAA #6478AA #7364AA

triadic

#6478AA #AA6478 #78AA64

tetradic

#6478AA #AA649B #AA9664 #64AA73

square

#6478AA #AA649B #AA9664 #64AA73

split-complementary

#6478AA #AA7364 #9BAA64

monochromatic

#34415F #4A5B87 #6478AA #8C9AC0 #B3BDD5

Accessibility & contrast

On white

4.37

#6478AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#6478AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478AA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478AA	#FFFFFF	#000000	##000000
##6478AA	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677CAC

Deuteranopia (green-blind)

#6076A9

Tritanopia (blue-blind)

#4D828A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6478aa;
/* rgb */ color: rgb(100, 120, 170);
/* oklch */ color: oklch(57.7% 0.081 267.1);

Tailwind

colors: {
  custom: {
    50: '#939ec3',
    500: '#6478aa',
    950: '#000000',
  },
}

SCSS

$custom: #6478aa;
$custom-light: #939ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#6478aa",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 222.857,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57728,
    "c": 0.08101,
    "h": 267.1
  },
  "luminance": 0.19045
}

Semantic roles & 50–950 ramp

primary

#6478AA

secondary

#C4BBA6

accent

#A962C5

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #6478AA

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

Preview Lab → · Contrast checker → · Palette generator →