#6571CB#6571CB

#6571CB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.138 H 275.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#6571CB
RGB	rgb(101, 113, 203)
HSL	hsl(233, 50%, 60%)
HSV	hsv(233, 50%, 80%)
CMYK	cmyk(50.2%, 44.3%, 0%, 20.4%)
CIE-LAB	lab(50.56, 20.34, -48.28)
CIE-LCH	lch(50.56, 52.39, 292.85°)
OKLab	oklab(58.14% 0.0133 -0.137)
OKLCH	oklch(58.14% 0.138 275.5)
XYZ	xyz(22.0481, 18.8874, 58.9722)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6571CB #CBBF65

analogous

#65A4CB #6571CB #8C65CB

triadic

#6571CB #CB6571 #71CB65

tetradic

#6571CB #CB65A4 #CBBF65 #65CB8C

square

#6571CB #CB65A4 #CBBF65 #65CB8C

split-complementary

#6571CB #CB8C65 #A4CB65

monochromatic

#2E3888 #3D4BB6 #6571CB #939BDA #C1C5EA

Accessibility & contrast

On white

4.40

#6571CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#6571CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6571CB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6571CB	#FFFFFF	#000000	##000000
##6571CB	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7DCE

Deuteranopia (green-blind)

#4274C9

Tritanopia (blue-blind)

#3B8494

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6571cb;
/* rgb */ color: rgb(101, 113, 203);
/* oklch */ color: oklch(58.1% 0.138 275.5);

Tailwind

colors: {
  custom: {
    50: '#9799db',
    500: '#6571cb',
    950: '#000000',
  },
}

SCSS

$custom: #6571cb;
$custom-light: #9799db;
$custom-dark: #000000;

JSON

{
  "hex": "#6571cb",
  "rgb": {
    "r": 101,
    "g": 113,
    "b": 203
  },
  "hsl": {
    "h": 232.941,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58144,
    "c": 0.13769,
    "h": 275.5
  },
  "luminance": 0.18889
}

Semantic roles & 50–950 ramp

primary

#6571CB

secondary

#DAD5B2

accent

#C94FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6571CB

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

Preview Lab → · Contrast checker → · Palette generator →