#6580CB#6580CB

#6580CB is a mid, moderate blue. Relative luminance 0.225; OKLCH L 61.2% C 0.118 H 267.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#6580CB
RGB	rgb(101, 128, 203)
HSL	hsl(224, 50%, 60%)
HSV	hsv(224, 50%, 80%)
CMYK	cmyk(50.2%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(54.57, 11.24, -41.91)
CIE-LCH	lch(54.57, 43.39, 285.02°)
OKLab	oklab(61.22% -0.0045 -0.1183)
OKLCH	oklch(61.22% 0.118 267.8)
XYZ	xyz(23.8620, 22.5153, 59.5768)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6580CB #CBB065

analogous

#65B3CB #6580CB #7D65CB

triadic

#6580CB #CB6580 #80CB65

tetradic

#6580CB #CB65B3 #CBB065 #65CB7D

square

#6580CB #CB65B3 #CBB065 #65CB7D

split-complementary

#6580CB #CB7D65 #B3CB65

monochromatic

#2E4688 #3D5DB6 #6580CB #93A6DA #C1CBEA

Accessibility & contrast

On white

3.82

#6580CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#6580CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6580CB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6580CB	#FFFFFF	#000000	##000000
##6580CB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CE

Deuteranopia (green-blind)

#587EC9

Tritanopia (blue-blind)

#38909C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6580cb;
/* rgb */ color: rgb(101, 128, 203);
/* oklch */ color: oklch(61.2% 0.118 267.8);

Tailwind

colors: {
  custom: {
    50: '#97a4db',
    500: '#6580cb',
    950: '#000000',
  },
}

SCSS

$custom: #6580cb;
$custom-light: #97a4db;
$custom-dark: #000000;

JSON

{
  "hex": "#6580cb",
  "rgb": {
    "r": 101,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 224.118,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.61225,
    "c": 0.11841,
    "h": 267.8
  },
  "luminance": 0.22517
}

Semantic roles & 50–950 ramp

primary

#6580CB

secondary

#DACFB2

accent

#B44FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6580CB

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

Preview Lab → · Contrast checker → · Palette generator →