#6687CC#6687CC

#6687CC is a light, moderate blue. Relative luminance 0.245; OKLCH L 62.8% C 0.111 H 264.0°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#6687CC
RGB	rgb(102, 135, 204)
HSL	hsl(221, 50%, 60%)
HSV	hsv(221, 50%, 80%)
CMYK	cmyk(50%, 33.8%, 0%, 20%)
CIE-LAB	lab(56.60, 7.61, -39.28)
CIE-LCH	lch(56.60, 40.01, 280.97°)
OKLab	oklab(62.83% -0.0116 -0.1106)
OKLCH	oklch(62.83% 0.111 264)
XYZ	xyz(25.0389, 24.5107, 60.5266)
Luminance	0.2451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6687CC #CCAB66

analogous

#66BACC #6687CC #7866CC

triadic

#6687CC #CC6687 #87CC66

tetradic

#6687CC #CC66BA #CCAB66 #66CC78

square

#6687CC #CC66BA #CCAB66 #66CC78

split-complementary

#6687CC #CC7866 #BACC66

monochromatic

#2E4C8A #3D65B8 #6687CC #94ABDB #C2CFEB

Accessibility & contrast

On white

3.56

#6687CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#6687CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6687CC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6687CC	#FFFFFF	#000000	##000000
##6687CC	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8DCF

Deuteranopia (green-blind)

#6183CA

Tritanopia (blue-blind)

#3996A0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #6687cc;
/* rgb */ color: rgb(102, 135, 204);
/* oklch */ color: oklch(62.8% 0.111 264.0);

Tailwind

colors: {
  custom: {
    50: '#97a9dc',
    500: '#6687cc',
    950: '#000000',
  },
}

SCSS

$custom: #6687cc;
$custom-light: #97a9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6687cc",
  "rgb": {
    "r": 102,
    "g": 135,
    "b": 204
  },
  "hsl": {
    "h": 220.588,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.62826,
    "c": 0.11123,
    "h": 264
  },
  "luminance": 0.24512
}

Semantic roles & 50–950 ramp

primary

#6687CC

secondary

#DBCEB3

accent

#AC4EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6687CC

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

Preview Lab → · Contrast checker → · Palette generator →