#6471BB#6471BB

#6471BB is a mid, moderate blue. Relative luminance 0.181; OKLCH L 57.1% C 0.115 H 274.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#6471BB
RGB	rgb(100, 113, 187)
HSL	hsl(231, 39%, 56%)
HSV	hsv(231, 47%, 73%)
CMYK	cmyk(46.5%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(49.62, 15.16, -40.57)
CIE-LCH	lch(49.62, 43.31, 290.49°)
OKLab	oklab(57.14% 0.0093 -0.1145)
OKLCH	oklch(57.14% 0.115 274.6)
XYZ	xyz(20.1275, 18.1063, 49.4384)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6471BB #BBAE64

analogous

#649DBB #6471BB #8364BB

triadic

#6471BB #BB6471 #71BB64

tetradic

#6471BB #BB649D #BBAE64 #64BB83

square

#6471BB #BB649D #BBAE64 #64BB83

split-complementary

#6471BB #BB8364 #9DBB64

monochromatic

#323C72 #45529D #6471BB #8F98CE #B9BFE0

Accessibility & contrast

On white

4.54

#6471BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#6471BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6471BB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6471BB	#FFFFFF	#000000	##000000
##6471BB	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABE

Deuteranopia (green-blind)

#4E73B9

Tritanopia (blue-blind)

#44808D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6471bb;
/* rgb */ color: rgb(100, 113, 187);
/* oklch */ color: oklch(57.1% 0.115 274.6);

Tailwind

colors: {
  custom: {
    50: '#9599d0',
    500: '#6471bb',
    950: '#000000',
  },
}

SCSS

$custom: #6471bb;
$custom-light: #9599d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6471bb",
  "rgb": {
    "r": 100,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 231.034,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57135,
    "c": 0.11492,
    "h": 274.6
  },
  "luminance": 0.18107
}

Semantic roles & 50–950 ramp

primary

#6471BB

secondary

#CFCAAB

accent

#BD59CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #6471BB

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

Preview Lab → · Contrast checker → · Palette generator →