#557D7B#557D7B

#557D7B is a mid, muted teal. Relative luminance 0.180; OKLCH L 56.0% C 0.045 H 192.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#557D7B
RGB	rgb(85, 125, 123)
HSL	hsl(177, 19%, 41%)
HSV	hsv(177, 32%, 49%)
CMYK	cmyk(32%, 0%, 1.6%, 51%)
CIE-LAB	lab(49.53, -14.35, -3.38)
CIE-LCH	lch(49.53, 14.74, 193.24°)
OKLab	oklab(55.95% -0.0437 -0.0093)
OKLCH	oklch(55.95% 0.045 192)
XYZ	xyz(14.6539, 18.0278, 21.4426)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557D7B #7D5557

analogous

#557D67 #557D7B #556B7D

triadic

#557D7B #7B557D #7D7B55

tetradic

#557D7B #67557D #7D5557 #6B7D55

square

#557D7B #67557D #7D5557 #6B7D55

split-complementary

#557D7B #7D556B #7D6755

monochromatic

#233433 #3C5957 #557D7B #719E9C #95B7B5

Accessibility & contrast

On white

4.56

#557D7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#557D7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557D7B

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557D7B	#FFFFFF	#000000	##000000
##557D7B	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78797B

Deuteranopia (green-blind)

#71737B

Tritanopia (blue-blind)

#477F7C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #557d7b;
/* rgb */ color: rgb(85, 125, 123);
/* oklch */ color: oklch(56.0% 0.045 192.0);

Tailwind

colors: {
  custom: {
    50: '#86a2a1',
    500: '#557d7b',
    950: '#000000',
  },
}

SCSS

$custom: #557d7b;
$custom-light: #86a2a1;
$custom-dark: #000000;

JSON

{
  "hex": "#557d7b",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 123
  },
  "hsl": {
    "h": 177,
    "s": 19.048,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.04473,
    "h": 192
  },
  "luminance": 0.18029
}

Semantic roles & 50–950 ramp

primary

#557D7B

secondary

#A5898A

accent

#6C70BC

background

#F8FAF9

surface

#EFF3F2

border

#CACDCC

text

#0B0F0E

muted

#7C7F7E

Preview Lab

Preview with #557D7B

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

Preview Lab → · Contrast checker → · Palette generator →