#555F7F#555F7F

#555F7F is a mid, muted blue. Relative luminance 0.116; OKLCH L 49.0% C 0.053 H 270.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#555F7F
RGB	rgb(85, 95, 127)
HSL	hsl(226, 20%, 42%)
HSV	hsv(226, 33%, 50%)
CMYK	cmyk(33.1%, 25.2%, 0%, 50.2%)
CIE-LAB	lab(40.65, 4.32, -19.16)
CIE-LCH	lch(40.65, 19.64, 282.69°)
OKLab	oklab(48.99% 0.0009 -0.053)
OKLCH	oklch(48.99% 0.053 270.9)
XYZ	xyz(11.6682, 11.6476, 21.7080)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555F7F #7F7555

analogous

#55747F #555F7F #60557F

triadic

#555F7F #7F555F #5F7F55

tetradic

#555F7F #7F5574 #7F7555 #557F60

square

#555F7F #7F5574 #7F7555 #557F60

split-complementary

#555F7F #7F6055 #747F55

monochromatic

#242836 #3C445A #555F7F #717CA0 #969EB9

Accessibility & contrast

On white

6.31

#555F7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#555F7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555F7F

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555F7F	#FFFFFF	#000000	##FFFFFF
##555F7F	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556280

Deuteranopia (green-blind)

#525E7E

Tritanopia (blue-blind)

#49656A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #555f7f;
/* rgb */ color: rgb(85, 95, 127);
/* oklch */ color: oklch(49.0% 0.053 270.9);

Tailwind

colors: {
  custom: {
    50: '#868ca4',
    500: '#555f7f',
    950: '#000000',
  },
}

SCSS

$custom: #555f7f;
$custom-light: #868ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#555f7f",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 127
  },
  "hsl": {
    "h": 225.714,
    "s": 19.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48986,
    "c": 0.05301,
    "h": 270.9
  },
  "luminance": 0.11648
}

Semantic roles & 50–950 ramp

primary

#555F7F

secondary

#A69F8A

accent

#A96BBC

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0C0F

muted

#7C7D7F

Preview Lab

Preview with #555F7F

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

Preview Lab → · Contrast checker → · Palette generator →