#6571AB#6571AB

#6571AB is a mid, moderate blue. Relative luminance 0.175; OKLCH L 56.3% C 0.091 H 274.2°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#6571AB
RGB	rgb(101, 113, 171)
HSL	hsl(230, 29%, 53%)
HSV	hsv(230, 41%, 67%)
CMYK	cmyk(40.9%, 33.9%, 0%, 32.9%)
CIE-LAB	lab(48.90, 10.63, -32.43)
CIE-LCH	lch(48.90, 34.13, 288.16°)
OKLab	oklab(56.34% 0.0067 -0.0908)
OKLCH	oklch(56.34% 0.091 274.2)
XYZ	xyz(18.6204, 17.5164, 40.9201)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6571AB #AB9F65

analogous

#6594AB #6571AB #7C65AB

triadic

#6571AB #AB6571 #71AB65

tetradic

#6571AB #AB6594 #AB9F65 #65AB7C

square

#6571AB #AB6594 #AB9F65 #65AB7C

split-complementary

#6571AB #AB7C65 #94AB65

monochromatic

#353C61 #4A5588 #6571AB #8D96C1 #B4BAD6

Accessibility & contrast

On white

4.66

#6571AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#6571AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6571AB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6571AB	#FFFFFF	#000000	##FFFFFF
##6571AB	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D77AD

Deuteranopia (green-blind)

#5872AA

Tritanopia (blue-blind)

#4F7D86

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6571ab;
/* rgb */ color: rgb(101, 113, 171);
/* oklch */ color: oklch(56.3% 0.091 274.2);

Tailwind

colors: {
  custom: {
    50: '#9499c4',
    500: '#6571ab',
    950: '#000000',
  },
}

SCSS

$custom: #6571ab;
$custom-light: #9499c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6571ab",
  "rgb": {
    "r": 101,
    "g": 113,
    "b": 171
  },
  "hsl": {
    "h": 229.714,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56339,
    "c": 0.09108,
    "h": 274.2
  },
  "luminance": 0.17517
}

Semantic roles & 50–950 ramp

primary

#6571AB

secondary

#C5C0A7

accent

#B562C6

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0D12

muted

#7E7E81

Preview Lab

Preview with #6571AB

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

Preview Lab → · Contrast checker → · Palette generator →