#173B41#173B41

#173B41 is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.9% C 0.042 H 209.9°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#173B41
RGB	rgb(23, 59, 65)
HSL	hsl(189, 48%, 17%)
HSV	hsv(189, 65%, 25%)
CMYK	cmyk(64.6%, 9.2%, 0%, 74.5%)
CIE-LAB	lab(22.62, -10.77, -7.61)
CIE-LCH	lch(22.62, 13.18, 215.26°)
OKLab	oklab(32.88% -0.0367 -0.0211)
OKLCH	oklch(32.88% 0.042 209.9)
XYZ	xyz(2.8711, 3.6915, 5.5612)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173B41 #411D17

analogous

#174132 #173B41 #172641

triadic

#173B41 #41173B #3B4117

tetradic

#173B41 #321741 #411D17 #264117

square

#173B41 #321741 #411D17 #264117

split-complementary

#173B41 #411726 #413217

monochromatic

#081517 #081517 #173B41 #27646E #378D9B

Accessibility & contrast

On white

12.08

#173B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#173B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173B41

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173B41	#FFFFFF	#000000	##FFFFFF
##173B41	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363941

Deuteranopia (green-blind)

#2F3441

Tritanopia (blue-blind)

#003E3D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173b41;
/* rgb */ color: rgb(23, 59, 65);
/* oklch */ color: oklch(32.9% 0.042 209.9);

Tailwind

colors: {
  custom: {
    50: '#597175',
    500: '#173b41',
    950: '#000000',
  },
}

SCSS

$custom: #173b41;
$custom-light: #597175;
$custom-dark: #000000;

JSON

{
  "hex": "#173b41",
  "rgb": {
    "r": 23,
    "g": 59,
    "b": 65
  },
  "hsl": {
    "h": 188.571,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.32879,
    "c": 0.04229,
    "h": 209.9
  },
  "luminance": 0.03692
}

Semantic roles & 50–950 ramp

primary

#173B41

secondary

#78443C

accent

#6450D7

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #173B41

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

Preview Lab → · Contrast checker → · Palette generator →