#6571CF#6571CF

#6571CF is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.143 H 275.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#6571CF
RGB	rgb(101, 113, 207)
HSL	hsl(233, 52%, 60%)
HSV	hsv(233, 51%, 81%)
CMYK	cmyk(51.2%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(50.78, 21.59, -50.20)
CIE-LCH	lch(50.78, 54.65, 293.28°)
OKLab	oklab(58.39% 0.0139 -0.1427)
OKLCH	oklch(58.39% 0.143 275.6)
XYZ	xyz(22.5309, 19.0805, 61.5151)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6571CF #CFC365

analogous

#65A6CF #6571CF #8E65CF

triadic

#6571CF #CF6571 #71CF65

tetradic

#6571CF #CF65A6 #CFC365 #65CF8E

square

#6571CF #CF65A6 #CFC365 #65CF8E

split-complementary

#6571CF #CF8E65 #A6CF65

monochromatic

#2C378D #3B49BC #6571CF #949CDE #C2C7EC

Accessibility & contrast

On white

4.36

#6571CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#6571CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6571CF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6571CF	#FFFFFF	#000000	##000000
##6571CF	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497DD3

Deuteranopia (green-blind)

#3E75CD

Tritanopia (blue-blind)

#388596

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6571cf;
/* rgb */ color: rgb(101, 113, 207);
/* oklch */ color: oklch(58.4% 0.143 275.6);

Tailwind

colors: {
  custom: {
    50: '#9899de',
    500: '#6571cf',
    950: '#000000',
  },
}

SCSS

$custom: #6571cf;
$custom-light: #9899de;
$custom-dark: #000000;

JSON

{
  "hex": "#6571cf",
  "rgb": {
    "r": 101,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 233.208,
    "s": 52.475,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5839,
    "c": 0.14336,
    "h": 275.6
  },
  "luminance": 0.19082
}

Semantic roles & 50–950 ramp

primary

#6571CF

secondary

#DCD8B4

accent

#AE26C0

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6571CF

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

Preview Lab → · Contrast checker → · Palette generator →