#6C99BC#6C99BC

#6C99BC is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.4% C 0.072 H 242.5°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#6C99BC
RGB	rgb(108, 153, 188)
HSL	hsl(206, 37%, 58%)
HSV	hsv(206, 43%, 74%)
CMYK	cmyk(42.6%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(61.31, -5.97, -22.92)
CIE-LCH	lch(61.31, 23.68, 255.41°)
OKLab	oklab(66.38% -0.033 -0.0635)
OKLCH	oklch(66.38% 0.072 242.5)
XYZ	xyz(26.6496, 29.5998, 51.8763)
Luminance	0.2960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C99BC #BC8F6C

analogous

#6CBCB7 #6C99BC #6C71BC

triadic

#6C99BC #BC6C99 #99BC6C

tetradic

#6C99BC #B76CBC #BC8F6C #71BC6C

square

#6C99BC #B76CBC #BC8F6C #71BC6C

split-complementary

#6C99BC #BC6C71 #BCB76C

monochromatic

#365B77 #4A7BA1 #6C99BC #96B6CF #C0D3E2

Accessibility & contrast

On white

3.03

#6C99BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#6C99BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C99BC

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C99BC	#FFFFFF	#000000	##000000
##6C99BC	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BE

Deuteranopia (green-blind)

#8090BB

Tritanopia (blue-blind)

#4DA2A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #6c99bc;
/* rgb */ color: rgb(108, 153, 188);
/* oklch */ color: oklch(66.4% 0.072 242.5);

Tailwind

colors: {
  custom: {
    50: '#99b7d0',
    500: '#6c99bc',
    950: '#000000',
  },
}

SCSS

$custom: #6c99bc;
$custom-light: #99b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6c99bc",
  "rgb": {
    "r": 108,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 206.25,
    "s": 37.383,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66384,
    "c": 0.07155,
    "h": 242.5
  },
  "luminance": 0.29601
}

Semantic roles & 50–950 ramp

primary

#6C99BC

secondary

#D2C0B2

accent

#8D5ACD

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1114

muted

#7E8082

Preview Lab

Preview with #6C99BC

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

Preview Lab → · Contrast checker → · Palette generator →