#6F66BC#6F66BC

#6F66BC is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.9% C 0.130 H 286.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#6F66BC
RGB	rgb(111, 102, 188)
HSL	hsl(246, 39%, 57%)
HSV	hsv(246, 46%, 74%)
CMYK	cmyk(41%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(47.64, 24.97, -44.25)
CIE-LCH	lch(47.64, 50.80, 299.43°)
OKLab	oklab(55.85% 0.0362 -0.1251)
OKLCH	oklch(55.85% 0.13 286.2)
XYZ	xyz(20.3815, 16.5124, 49.6805)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6F66BC #B3BC66

analogous

#6688BC #6F66BC #9A66BC

triadic

#6F66BC #BC6F66 #66BC6F

tetradic

#6F66BC #BC6688 #B3BC66 #66BC9A

square

#6F66BC #BC6688 #B3BC66 #66BC9A

split-complementary

#6F66BC #BC9A66 #88BC66

monochromatic

#3A3375 #4F469F #6F66BC #9791CF #BFBBE1

Accessibility & contrast

On white

4.88

#6F66BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#6F66BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6F66BC

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6F66BC	#FFFFFF	#000000	##FFFFFF
##6F66BC	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4673BF

Deuteranopia (green-blind)

#446FBA

Tritanopia (blue-blind)

#597788

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6f66bc;
/* rgb */ color: rgb(111, 102, 188);
/* oklch */ color: oklch(55.9% 0.130 286.2);

Tailwind

colors: {
  custom: {
    50: '#9c91d0',
    500: '#6f66bc',
    950: '#000000',
  },
}

SCSS

$custom: #6f66bc;
$custom-light: #9c91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6f66bc",
  "rgb": {
    "r": 111,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 246.279,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5585,
    "c": 0.13021,
    "h": 286.2
  },
  "luminance": 0.16513
}

Semantic roles & 50–950 ramp

primary

#6F66BC

secondary

#CDD0AD

accent

#CF59C3

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0D14

muted

#7E7D82

Preview Lab

Preview with #6F66BC

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

Preview Lab → · Contrast checker → · Palette generator →