#6B6BCB#6B6BCB

#6B6BCB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.145 H 280.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6B6BCB
RGB	rgb(107, 107, 203)
HSL	hsl(240, 48%, 61%)
HSV	hsv(240, 47%, 80%)
CMYK	cmyk(47.3%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(49.44, 25.39, -50.03)
CIE-LCH	lch(49.44, 56.11, 296.90°)
OKLab	oklab(57.41% 0.0272 -0.1421)
OKLCH	oklch(57.41% 0.145 280.8)
XYZ	xyz(22.0973, 17.9519, 58.7890)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B6BCB #CBCB6B

analogous

#6B9BCB #6B6BCB #9B6BCB

triadic

#6B6BCB #CB6B6B #6BCB6B

tetradic

#6B6BCB #CB6B9B #CBCB6B #6BCB9B

square

#6B6BCB #CB6B9B #CBCB6B #6BCB9B

split-complementary

#6B6BCB #CB9B6B #9BCB6B

monochromatic

#31318B #4141B8 #6B6BCB #9898DB #C6C6EB

Accessibility & contrast

On white

4.57

#6B6BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#6B6BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B6BCB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B6BCB	#FFFFFF	#000000	##000000
##6B6BCB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CF

Deuteranopia (green-blind)

#3B72C9

Tritanopia (blue-blind)

#497F91

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6b6bcb;
/* rgb */ color: rgb(107, 107, 203);
/* oklch */ color: oklch(57.4% 0.145 280.8);

Tailwind

colors: {
  custom: {
    50: '#9b95db',
    500: '#6b6bcb',
    950: '#000000',
  },
}

SCSS

$custom: #6b6bcb;
$custom-light: #9b95db;
$custom-dark: #000000;

JSON

{
  "hex": "#6b6bcb",
  "rgb": {
    "r": 107,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 240,
    "s": 48,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57406,
    "c": 0.14469,
    "h": 280.8
  },
  "luminance": 0.17953
}

Semantic roles & 50–950 ramp

primary

#6B6BCB

secondary

#DBDBB7

accent

#BB2ABB

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0F0D15

muted

#7E7E83

Preview Lab

Preview with #6B6BCB

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

Preview Lab → · Contrast checker → · Palette generator →