#6579DF#6579DF

#6579DF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.0% C 0.155 H 272.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#6579DF
RGB	rgb(101, 121, 223)
HSL	hsl(230, 66%, 64%)
HSV	hsv(230, 55%, 87%)
CMYK	cmyk(54.7%, 45.7%, 0%, 12.5%)
CIE-LAB	lab(53.78, 21.79, -54.46)
CIE-LCH	lch(53.78, 58.66, 291.81°)
OKLab	oklab(60.97% 0.0072 -0.1551)
OKLCH	oklch(60.97% 0.155 272.7)
XYZ	xyz(25.5191, 21.7673, 72.6545)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6579DF #DFCB65

analogous

#65B6DF #6579DF #8E65DF

triadic

#6579DF #DF6579 #79DF65

tetradic

#6579DF #DF65B6 #DFCB65 #65DF8E

square

#6579DF #DF65B6 #DFCB65 #65DF8E

split-complementary

#6579DF #DF8E65 #B6DF65

monochromatic

#2338A7 #324DD4 #6579DF #98A5EA #CAD1F4

Accessibility & contrast

On white

3.92

#6579DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#6579DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6579DF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6579DF	#FFFFFF	#000000	##000000
##6579DF	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B86E3

Deuteranopia (green-blind)

#3B7CDD

Tritanopia (blue-blind)

#238FA1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6579df;
/* rgb */ color: rgb(101, 121, 223);
/* oklch */ color: oklch(61.0% 0.155 272.7);

Tailwind

colors: {
  custom: {
    50: '#999fe9',
    500: '#6579df',
    950: '#000000',
  },
}

SCSS

$custom: #6579df;
$custom-light: #999fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#6579df",
  "rgb": {
    "r": 101,
    "g": 121,
    "b": 223
  },
  "hsl": {
    "h": 230.164,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.60968,
    "c": 0.1553,
    "h": 272.7
  },
  "luminance": 0.21769
}

Semantic roles & 50–950 ramp

primary

#6579DF

secondary

#E6DEBA

accent

#B018CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6579DF

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

Preview Lab → · Contrast checker → · Palette generator →