#6478BB#6478BB

#6478BB is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.6% C 0.106 H 270.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6478BB
RGB	rgb(100, 120, 187)
HSL	hsl(226, 39%, 56%)
HSV	hsv(226, 47%, 73%)
CMYK	cmyk(46.5%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(51.53, 10.90, -37.57)
CIE-LCH	lch(51.53, 39.12, 286.18°)
OKLab	oklab(58.6% 0.0005 -0.1057)
OKLCH	oklch(58.6% 0.106 270.3)
XYZ	xyz(20.9388, 19.7289, 49.7088)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478BB #BBA764

analogous

#64A4BB #6478BB #7C64BB

triadic

#6478BB #BB6478 #78BB64

tetradic

#6478BB #BB64A4 #BBA764 #64BB7C

square

#6478BB #BB64A4 #BBA764 #64BB7C

split-complementary

#6478BB #BB7C64 #A4BB64

monochromatic

#324172 #45599D #6478BB #8F9DCE #B9C2E0

Accessibility & contrast

On white

4.25

#6478BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#6478BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478BB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478BB	#FFFFFF	#000000	##000000
##6478BB	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBE

Deuteranopia (green-blind)

#5777B9

Tritanopia (blue-blind)

#438691

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6478bb;
/* rgb */ color: rgb(100, 120, 187);
/* oklch */ color: oklch(58.6% 0.106 270.3);

Tailwind

colors: {
  custom: {
    50: '#949ed0',
    500: '#6478bb',
    950: '#000000',
  },
}

SCSS

$custom: #6478bb;
$custom-light: #949ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#6478bb",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 226.207,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58601,
    "c": 0.10575,
    "h": 270.3
  },
  "luminance": 0.1973
}

Semantic roles & 50–950 ramp

primary

#6478BB

secondary

#CFC7AB

accent

#B459CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6478BB

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

Preview Lab → · Contrast checker → · Palette generator →