#6579CC#6579CC

#6579CC is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.129 H 271.8°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#6579CC
RGB	rgb(101, 121, 204)
HSL	hsl(228, 50%, 60%)
HSV	hsv(228, 50%, 80%)
CMYK	cmyk(50.5%, 40.7%, 0%, 20%)
CIE-LAB	lab(52.73, 15.78, -45.39)
CIE-LCH	lch(52.73, 48.05, 289.17°)
OKLab	oklab(59.83% 0.004 -0.1285)
OKLCH	oklch(59.83% 0.129 271.8)
XYZ	xyz(23.0998, 20.7996, 59.9125)
Luminance	0.2080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6579CC #CCB865

analogous

#65ACCC #6579CC #8565CC

triadic

#6579CC #CC6579 #79CC65

tetradic

#6579CC #CC65AC #CCB865 #65CC85

square

#6579CC #CC65AC #CCB865 #65CC85

split-complementary

#6579CC #CC8565 #ACCC65

monochromatic

#2D3F89 #3D54B7 #6579CC #93A1DB #C1C9EA

Accessibility & contrast

On white

4.07

#6579CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#6579CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6579CC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6579CC	#FFFFFF	#000000	##000000
##6579CC	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883CF

Deuteranopia (green-blind)

#4D7ACA

Tritanopia (blue-blind)

#398B99

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6579cc;
/* rgb */ color: rgb(101, 121, 204);
/* oklch */ color: oklch(59.8% 0.129 271.8);

Tailwind

colors: {
  custom: {
    50: '#979fdc',
    500: '#6579cc',
    950: '#000000',
  },
}

SCSS

$custom: #6579cc;
$custom-light: #979fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#6579cc",
  "rgb": {
    "r": 101,
    "g": 121,
    "b": 204
  },
  "hsl": {
    "h": 228.35,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.59825,
    "c": 0.1286,
    "h": 271.8
  },
  "luminance": 0.20801
}

Semantic roles & 50–950 ramp

primary

#6579CC

secondary

#DAD3B2

accent

#BF4EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6579CC

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

Preview Lab → · Contrast checker → · Palette generator →