#173F38#173F38

#173F38 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.047 H 180.1°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#173F38
RGB	rgb(23, 63, 56)
HSL	hsl(170, 47%, 17%)
HSV	hsv(170, 63%, 25%)
CMYK	cmyk(63.5%, 0%, 11.1%, 75.3%)
CIE-LAB	lab(23.75, -16.08, 0.07)
CIE-LCH	lch(23.75, 16.08, 179.77°)
OKLab	oklab(33.68% -0.0467 -0.0001)
OKLCH	oklch(33.68% 0.047 180.1)
XYZ	xyz(2.8443, 4.0224, 4.3671)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173F38 #3F171E

analogous

#173F24 #173F38 #17323F

triadic

#173F38 #38173F #3F3817

tetradic

#173F38 #24173F #3F171E #323F17

square

#173F38 #24173F #3F171E #323F17

split-complementary

#173F38 #3F1732 #3F2417

monochromatic

#081614 #081614 #173F38 #276C60 #389988

Accessibility & contrast

On white

11.64

#173F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173F38

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173F38	#FFFFFF	#000000	##FFFFFF
##173F38	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B38

Deuteranopia (green-blind)

#363739

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173f38;
/* rgb */ color: rgb(23, 63, 56);
/* oklch */ color: oklch(33.7% 0.047 180.1);

Tailwind

colors: {
  custom: {
    50: '#59746e',
    500: '#173f38',
    950: '#000000',
  },
}

SCSS

$custom: #173f38;
$custom-light: #59746e;
$custom-dark: #000000;

JSON

{
  "hex": "#173f38",
  "rgb": {
    "r": 23,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 169.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33677,
    "c": 0.04673,
    "h": 180.1
  },
  "luminance": 0.04023
}

Semantic roles & 50–950 ramp

primary

#173F38

secondary

#763C46

accent

#5269D6

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040807

muted

#797B7A

Preview Lab

Preview with #173F38

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

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