#6478A4#6478A4

#6478A4 is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.4% C 0.072 H 265.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#6478A4
RGB	rgb(100, 120, 164)
HSL	hsl(221, 26%, 52%)
HSV	hsv(221, 39%, 64%)
CMYK	cmyk(39%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(50.48, 4.11, -25.90)
CIE-LCH	lch(50.48, 26.23, 279.02°)
OKLab	oklab(57.44% -0.0059 -0.072)
OKLCH	oklch(57.44% 0.072 265.4)
XYZ	xyz(18.6708, 18.8217, 37.7639)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478A4 #A49064

analogous

#6498A4 #6478A4 #7064A4

triadic

#6478A4 #A46478 #78A464

tetradic

#6478A4 #A46498 #A49064 #64A470

square

#6478A4 #A46498 #A49064 #64A470

split-complementary

#6478A4 #A47064 #98A464

monochromatic

#344059 #4B5C80 #6478A4 #8B9ABB #B1BBD1

Accessibility & contrast

On white

4.41

#6478A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#6478A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478A4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478A4	#FFFFFF	#000000	##000000
##6478A4	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA6

Deuteranopia (green-blind)

#6376A3

Tritanopia (blue-blind)

#508187

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6478a4;
/* rgb */ color: rgb(100, 120, 164);
/* oklch */ color: oklch(57.4% 0.072 265.4);

Tailwind

colors: {
  custom: {
    50: '#929ebf',
    500: '#6478a4',
    950: '#000000',
  },
}

SCSS

$custom: #6478a4;
$custom-light: #929ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#6478a4",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 221.25,
    "s": 26.016,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5744,
    "c": 0.07229,
    "h": 265.4
  },
  "luminance": 0.18823
}

Semantic roles & 50–950 ramp

primary

#6478A4

secondary

#C0B7A4

accent

#A565C2

background

#F9F9FB

surface

#F1F2F7

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #6478A4

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

Preview Lab → · Contrast checker → · Palette generator →