#6677B9#6677B9

#6677B9 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.4% C 0.103 H 271.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#6677B9
RGB	rgb(102, 119, 185)
HSL	hsl(228, 37%, 56%)
HSV	hsv(228, 45%, 73%)
CMYK	cmyk(44.9%, 35.7%, 0%, 27.5%)
CIE-LAB	lab(51.29, 11.41, -36.79)
CIE-LCH	lch(51.29, 38.52, 287.23°)
OKLab	oklab(58.42% 0.0034 -0.1034)
OKLCH	oklch(58.42% 0.104 271.9)
XYZ	xyz(20.8305, 19.5201, 48.5597)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6677B9 #B9A866

analogous

#66A1B9 #6677B9 #7F66B9

triadic

#6677B9 #B96677 #77B966

tetradic

#6677B9 #B966A1 #B9A866 #66B97F

square

#6677B9 #B966A1 #B9A866 #66B97F

split-complementary

#6677B9 #B97F66 #A1B966

monochromatic

#344071 #47589B #6677B9 #909CCC #BAC2DF

Accessibility & contrast

On white

4.28

#6677B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#6677B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6677B9

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6677B9	#FFFFFF	#000000	##000000
##6677B9	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBC

Deuteranopia (green-blind)

#5877B7

Tritanopia (blue-blind)

#49858F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6677b9;
/* rgb */ color: rgb(102, 119, 185);
/* oklch */ color: oklch(58.4% 0.103 271.9);

Tailwind

colors: {
  custom: {
    50: '#959ece',
    500: '#6677b9',
    950: '#000000',
  },
}

SCSS

$custom: #6677b9;
$custom-light: #959ece;
$custom-dark: #000000;

JSON

{
  "hex": "#6677b9",
  "rgb": {
    "r": 102,
    "g": 119,
    "b": 185
  },
  "hsl": {
    "h": 227.711,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58419,
    "c": 0.1035,
    "h": 271.9
  },
  "luminance": 0.19521
}

Semantic roles & 50–950 ramp

primary

#6677B9

secondary

#CEC7AC

accent

#B65BCD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #6677B9

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

Preview Lab → · Contrast checker → · Palette generator →