#6571DD#6571DD

#6571DD is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.3% C 0.163 H 275.5°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#6571DD
RGB	rgb(101, 113, 221)
HSL	hsl(234, 64%, 63%)
HSV	hsv(234, 54%, 87%)
CMYK	cmyk(54.3%, 48.9%, 0%, 13.3%)
CIE-LAB	lab(51.61, 26.02, -56.82)
CIE-LCH	lch(51.61, 62.49, 294.61°)
OKLab	oklab(59.28% 0.0156 -0.1621)
OKLCH	oklch(59.28% 0.163 275.5)
XYZ	xyz(24.3189, 19.7958, 70.9321)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6571DD #DDD165

analogous

#65ADDD #6571DD #9565DD

triadic

#6571DD #DD6571 #71DD65

tetradic

#6571DD #DD65AD #DDD165 #65DD95

square

#6571DD #DD65AD #DDD165 #65DD95

split-complementary

#6571DD #DD9565 #ADDD65

monochromatic

#2431A4 #3343D2 #6571DD #979FE8 #C9CDF3

Accessibility & contrast

On white

4.23

#6571DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#6571DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6571DD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6571DD	#FFFFFF	#000000	##000000
##6571DD	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C80E1

Deuteranopia (green-blind)

#2C76DB

Tritanopia (blue-blind)

#28899C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6571dd;
/* rgb */ color: rgb(101, 113, 221);
/* oklch */ color: oklch(59.3% 0.163 275.5);

Tailwind

colors: {
  custom: {
    50: '#9999e8',
    500: '#6571dd',
    950: '#000000',
  },
}

SCSS

$custom: #6571dd;
$custom-light: #9999e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6571dd",
  "rgb": {
    "r": 101,
    "g": 113,
    "b": 221
  },
  "hsl": {
    "h": 234,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.59281,
    "c": 0.16288,
    "h": 275.5
  },
  "luminance": 0.19797
}

Semantic roles & 50–950 ramp

primary

#6571DD

secondary

#E4E0B9

accent

#BA1ACC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6571DD

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

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