#6C91CB#6C91CB

#6C91CB is a light, moderate blue. Relative luminance 0.278; OKLCH L 65.3% C 0.097 H 259.2°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#6C91CB
RGB	rgb(108, 145, 203)
HSL	hsl(217, 48%, 61%)
HSV	hsv(217, 47%, 80%)
CMYK	cmyk(46.8%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(59.66, 2.90, -33.90)
CIE-LCH	lch(59.66, 34.02, 274.90°)
OKLab	oklab(65.29% -0.0182 -0.0949)
OKLCH	oklch(65.29% 0.097 259.2)
XYZ	xyz(27.0857, 27.7490, 60.4172)
Luminance	0.2775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C91CB #CBA66C

analogous

#6CC0CB #6C91CB #766CCB

triadic

#6C91CB #CB6C91 #91CB6C

tetradic

#6C91CB #CB6CC0 #CBA66C #6CCB76

square

#6C91CB #CB6CC0 #CBA66C #6CCB76

split-complementary

#6C91CB #CB766C #C0CB6C

monochromatic

#31548B #4170B9 #6C91CB #99B3DB #C6D5EB

Accessibility & contrast

On white

3.21

#6C91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#6C91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C91CB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C91CB	#FFFFFF	#000000	##000000
##6C91CB	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B95CE

Deuteranopia (green-blind)

#708CCA

Tritanopia (blue-blind)

#459EA5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #6c91cb;
/* rgb */ color: rgb(108, 145, 203);
/* oklch */ color: oklch(65.3% 0.097 259.2);

Tailwind

colors: {
  custom: {
    50: '#9bb1db',
    500: '#6c91cb',
    950: '#000000',
  },
}

SCSS

$custom: #6c91cb;
$custom-light: #9bb1db;
$custom-dark: #000000;

JSON

{
  "hex": "#6c91cb",
  "rgb": {
    "r": 108,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 216.632,
    "s": 47.739,
    "l": 60.98
  },
  "oklch": {
    "l": 0.65291,
    "c": 0.09661,
    "h": 259.2
  },
  "luminance": 0.27751
}

Semantic roles & 50–950 ramp

primary

#6C91CB

secondary

#DBCDB7

accent

#832ABB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6C91CB

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

Preview Lab → · Contrast checker → · Palette generator →