#6478DF#6478DF

#6478DF is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.7% C 0.157 H 272.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#6478DF
RGB	rgb(100, 120, 223)
HSL	hsl(230, 66%, 63%)
HSV	hsv(230, 55%, 87%)
CMYK	cmyk(55.2%, 46.2%, 0%, 12.5%)
CIE-LAB	lab(53.46, 22.19, -54.98)
CIE-LCH	lch(53.46, 59.29, 291.98°)
OKLab	oklab(60.71% 0.0072 -0.1567)
OKLCH	oklch(60.71% 0.157 272.6)
XYZ	xyz(25.2869, 21.4682, 72.6090)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6478DF #DFCB64

analogous

#64B5DF #6478DF #8D64DF

triadic

#6478DF #DF6478 #78DF64

tetradic

#6478DF #DF64B5 #DFCB64 #64DF8D

square

#6478DF #DF64B5 #DFCB64 #64DF8D

split-complementary

#6478DF #DF8D64 #B5DF64

monochromatic

#2238A6 #314CD5 #6478DF #97A4E9 #C9D0F4

Accessibility & contrast

On white

3.97

#6478DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#6478DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6478DF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6478DF	#FFFFFF	#000000	##000000
##6478DF	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4985E3

Deuteranopia (green-blind)

#397BDD

Tritanopia (blue-blind)

#1F8FA1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6478df;
/* rgb */ color: rgb(100, 120, 223);
/* oklch */ color: oklch(60.7% 0.157 272.6);

Tailwind

colors: {
  custom: {
    50: '#999ee9',
    500: '#6478df',
    950: '#000000',
  },
}

SCSS

$custom: #6478df;
$custom-light: #999ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#6478df",
  "rgb": {
    "r": 100,
    "g": 120,
    "b": 223
  },
  "hsl": {
    "h": 230.244,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.60707,
    "c": 0.15685,
    "h": 272.6
  },
  "luminance": 0.2147
}

Semantic roles & 50–950 ramp

primary

#6478DF

secondary

#E5DEB9

accent

#B018CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6478DF

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

Preview Lab → · Contrast checker → · Palette generator →