#6580CF#6580CF

#6580CF is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.4% C 0.124 H 268.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#6580CF
RGB	rgb(101, 128, 207)
HSL	hsl(225, 52%, 60%)
HSV	hsv(225, 51%, 81%)
CMYK	cmyk(51.2%, 38.2%, 0%, 18.8%)
CIE-LAB	lab(54.77, 12.49, -43.86)
CIE-LCH	lch(54.77, 45.60, 285.90°)
OKLab	oklab(61.45% -0.0036 -0.124)
OKLCH	oklch(61.45% 0.124 268.3)
XYZ	xyz(24.3448, 22.7084, 62.1197)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6580CF #CFB465

analogous

#65B5CF #6580CF #7F65CF

triadic

#6580CF #CF6580 #80CF65

tetradic

#6580CF #CF65B5 #CFB465 #65CF7F

square

#6580CF #CF65B5 #CFB465 #65CF7F

split-complementary

#6580CF #CF7F65 #B5CF65

monochromatic

#2C458D #3B5CBC #6580CF #94A6DE #C2CDEC

Accessibility & contrast

On white

3.79

#6580CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#6580CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580CF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6580CF	#FFFFFF	#000000	##000000
##6580CF	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6188D2

Deuteranopia (green-blind)

#557FCD

Tritanopia (blue-blind)

#35919D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6580cf;
/* rgb */ color: rgb(101, 128, 207);
/* oklch */ color: oklch(61.4% 0.124 268.3);

Tailwind

colors: {
  custom: {
    50: '#97a4de',
    500: '#6580cf',
    950: '#000000',
  },
}

SCSS

$custom: #6580cf;
$custom-light: #97a4de;
$custom-dark: #000000;

JSON

{
  "hex": "#6580cf",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 207
  },
  "hsl": {
    "h": 224.717,
    "s": 52.475,
    "l": 60.392
  },
  "oklch": {
    "l": 0.61446,
    "c": 0.12406,
    "h": 268.3
  },
  "luminance": 0.2271
}

Semantic roles & 50–950 ramp

primary

#6580CF

secondary

#DCD2B4

accent

#9926C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6580CF

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

Preview Lab → · Contrast checker → · Palette generator →