#173F35#173F35

#173F35 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.049 H 174.3°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#173F35
RGB	rgb(23, 63, 53)
HSL	hsl(165, 47%, 17%)
HSV	hsv(165, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 15.9%, 75.3%)
CIE-LAB	lab(23.65, -16.98, 1.92)
CIE-LCH	lch(23.65, 17.09, 173.54°)
OKLab	oklab(33.57% -0.0484 0.0048)
OKLCH	oklch(33.57% 0.049 174.3)
XYZ	xyz(2.7732, 3.9939, 3.9922)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F35 #3F1721

analogous

#173F21 #173F35 #17353F

triadic

#173F35 #35173F #3F3517

tetradic

#173F35 #21173F #3F1721 #353F17

square

#173F35 #21173F #3F1721 #353F17

split-complementary

#173F35 #3F1735 #3F2117

monochromatic

#081613 #081613 #173F35 #276C5B #389980

Accessibility & contrast

On white

11.67

#173F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F35

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F35	#FFFFFF	#000000	##FFFFFF
##173F35	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B35

Deuteranopia (green-blind)

#373636

Tritanopia (blue-blind)

#02403C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173f35;
/* rgb */ color: rgb(23, 63, 53);
/* oklch */ color: oklch(33.6% 0.049 174.3);

Tailwind

colors: {
  custom: {
    50: '#59746c',
    500: '#173f35',
    950: '#000000',
  },
}

SCSS

$custom: #173f35;
$custom-light: #59746c;
$custom-dark: #000000;

JSON

{
  "hex": "#173f35",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 165,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33569,
    "c": 0.04863,
    "h": 174.3
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary

#173F35

secondary

#763C4A

accent

#5273D6

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #173F35

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

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