#6579CB#6579CB

#6579CB is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.8% C 0.127 H 271.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#6579CB
RGB	rgb(101, 121, 203)
HSL	hsl(228, 50%, 60%)
HSV	hsv(228, 50%, 80%)
CMYK	cmyk(50.2%, 40.4%, 0%, 20.4%)
CIE-LAB	lab(52.68, 15.47, -44.90)
CIE-LCH	lch(52.68, 47.49, 289.01°)
OKLab	oklab(59.77% 0.0039 -0.1271)
OKLCH	oklch(59.77% 0.127 271.7)
XYZ	xyz(22.9802, 20.7518, 59.2829)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6579CB #CBB765

analogous

#65ACCB #6579CB #8465CB

triadic

#6579CB #CB6579 #79CB65

tetradic

#6579CB #CB65AC #CBB765 #65CB84

square

#6579CB #CB65AC #CBB765 #65CB84

split-complementary

#6579CB #CB8465 #ACCB65

monochromatic

#2E3F88 #3D55B6 #6579CB #93A1DA #C1C9EA

Accessibility & contrast

On white

4.08

#6579CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#6579CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6579CB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6579CB	#FFFFFF	#000000	##000000
##6579CB	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CE

Deuteranopia (green-blind)

#4E7AC9

Tritanopia (blue-blind)

#3A8A98

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #6579cb;
/* rgb */ color: rgb(101, 121, 203);
/* oklch */ color: oklch(59.8% 0.127 271.7);

Tailwind

colors: {
  custom: {
    50: '#979fdb',
    500: '#6579cb',
    950: '#000000',
  },
}

SCSS

$custom: #6579cb;
$custom-light: #979fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#6579cb",
  "rgb": {
    "r": 101,
    "g": 121,
    "b": 203
  },
  "hsl": {
    "h": 228.235,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.59767,
    "c": 0.12718,
    "h": 271.7
  },
  "luminance": 0.20753
}

Semantic roles & 50–950 ramp

primary

#6579CB

secondary

#DAD2B2

accent

#BE4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6579CB

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

Preview Lab → · Contrast checker → · Palette generator →