#6478BC#6478BC

#6478BC is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.7% C 0.107 H 270.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6478BC
RGB	rgb(100, 120, 188)
HSL	hsl(226, 40%, 56%)
HSV	hsv(226, 47%, 74%)
CMYK	cmyk(46.8%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(51.58, 11.21, -38.07)
CIE-LCH	lch(51.58, 39.68, 286.40°)
OKLab	oklab(58.66% 0.0008 -0.1072)
OKLCH	oklch(58.66% 0.107 270.4)
XYZ	xyz(21.0462, 19.7719, 50.2746)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478BC #BCA864

analogous

#64A4BC #6478BC #7C64BC

triadic

#6478BC #BC6478 #78BC64

tetradic

#6478BC #BC64A4 #BCA864 #64BC7C

square

#6478BC #BC64A4 #BCA864 #64BC7C

split-complementary

#6478BC #BC7C64 #A4BC64

monochromatic

#324174 #44599E #6478BC #8F9DCE #B9C2E1

Accessibility & contrast

On white

4.24

#6478BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#6478BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478BC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478BC	#FFFFFF	#000000	##000000
##6478BC	1.00	4.24	4.95	4.95
#FFFFFF	4.24	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)

#5F7FBF

Deuteranopia (green-blind)

#5677BA

Tritanopia (blue-blind)

#438691

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6478bc;
/* rgb */ color: rgb(100, 120, 188);
/* oklch */ color: oklch(58.7% 0.107 270.4);

Tailwind

colors: {
  custom: {
    50: '#959ed0',
    500: '#6478bc',
    950: '#000000',
  },
}

SCSS

$custom: #6478bc;
$custom-light: #959ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#6478bc",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 226.364,
    "s": 39.64,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58655,
    "c": 0.1072,
    "h": 270.4
  },
  "luminance": 0.19773
}

Semantic roles & 50–950 ramp

primary

#6478BC

secondary

#D0C8AC

accent

#B458D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6478BC

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

Preview Lab → · Contrast checker → · Palette generator →