#173531#173531

#173531 is a dark, muted teal. Relative luminance 0.029; OKLCH L 30.4% C 0.037 H 184.2°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#173531
RGB	rgb(23, 53, 49)
HSL	hsl(172, 39%, 15%)
HSV	hsv(172, 57%, 21%)
CMYK	cmyk(56.6%, 0%, 7.5%, 79.2%)
CIE-LAB	lab(19.84, -12.42, -0.93)
CIE-LCH	lch(19.84, 12.45, 184.30°)
OKLab	oklab(30.44% -0.0367 -0.0027)
OKLCH	oklch(30.44% 0.037 184.2)
XYZ	xyz(2.1806, 2.9499, 3.3596)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173531 #35171B

analogous

#173522 #173531 #172A35

triadic

#173531 #311735 #353117

tetradic

#173531 #221735 #35171B #2A3517

square

#173531 #221735 #35171B #2A3517

split-complementary

#173531 #35172A #352217

monochromatic

#091514 #091514 #173531 #2A6058 #3C8A80

Accessibility & contrast

On white

13.21

#173531 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#173531 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173531

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173531	#FFFFFF	#000000	##FFFFFF
##173531	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323231

Deuteranopia (green-blind)

#2E2E31

Tritanopia (blue-blind)

#083634

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #173531;
/* rgb */ color: rgb(23, 53, 49);
/* oklch */ color: oklch(30.4% 0.037 184.2);

Tailwind

colors: {
  custom: {
    50: '#576c69',
    500: '#173531',
    950: '#000000',
  },
}

SCSS

$custom: #173531;
$custom-light: #576c69;
$custom-dark: #000000;

JSON

{
  "hex": "#173531",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 172,
    "s": 39.474,
    "l": 14.902
  },
  "oklch": {
    "l": 0.30441,
    "c": 0.03681,
    "h": 184.2
  },
  "luminance": 0.0295
}

Semantic roles & 50–950 ramp

primary

#173531

secondary

#6B3D43

accent

#5868CF

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030706

muted

#787A7A

Preview Lab

Preview with #173531

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

Preview Lab → · Contrast checker → · Palette generator →