#6478CF#6478CF

#6478CF is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.7% C 0.134 H 272.0°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#6478CF
RGB	rgb(100, 120, 207)
HSL	hsl(229, 53%, 60%)
HSV	hsv(229, 52%, 81%)
CMYK	cmyk(51.7%, 42%, 0%, 18.8%)
CIE-LAB	lab(52.56, 17.10, -47.37)
CIE-LCH	lch(52.56, 50.36, 289.85°)
OKLab	oklab(59.73% 0.0047 -0.1344)
OKLCH	oklch(59.73% 0.134 272)
XYZ	xyz(23.2309, 20.6457, 61.7803)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478CF #CFBB64

analogous

#64ADCF #6478CF #8564CF

triadic

#6478CF #CF6478 #78CF64

tetradic

#6478CF #CF64AD #CFBB64 #64CF85

square

#6478CF #CF64AD #CFBB64 #64CF85

split-complementary

#6478CF #CF8564 #ADCF64

monochromatic

#2C3E8D #3A52BC #6478CF #93A1DD #C1C9EC

Accessibility & contrast

On white

4.09

#6478CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#6478CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478CF

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478CF	#FFFFFF	#000000	##000000
##6478CF	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5482D2

Deuteranopia (green-blind)

#4979CD

Tritanopia (blue-blind)

#348B99

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #6478cf;
/* rgb */ color: rgb(100, 120, 207);
/* oklch */ color: oklch(59.7% 0.134 272.0);

Tailwind

colors: {
  custom: {
    50: '#979ede',
    500: '#6478cf',
    950: '#000000',
  },
}

SCSS

$custom: #6478cf;
$custom-light: #979ede;
$custom-dark: #000000;

JSON

{
  "hex": "#6478cf",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 228.785,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.5973,
    "c": 0.13444,
    "h": 272
  },
  "luminance": 0.20647
}

Semantic roles & 50–950 ramp

primary

#6478CF

secondary

#DCD4B3

accent

#A325C0

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6478CF

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

Preview Lab → · Contrast checker → · Palette generator →