#17403B#17403B

#17403B is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.1% C 0.047 H 184.5°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#17403B
RGB	rgb(23, 64, 59)
HSL	hsl(173, 47%, 17%)
HSV	hsv(173, 64%, 25%)
CMYK	cmyk(64.1%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(24.21, -15.72, -1.25)
CIE-LCH	lch(24.21, 15.77, 184.54°)
OKLab	oklab(34.08% -0.0464 -0.0036)
OKLCH	oklch(34.08% 0.047 184.5)
XYZ	xyz(2.9758, 4.1644, 4.7838)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17403B #40171C

analogous

#174027 #17403B #173140

triadic

#17403B #3B1740 #403B17

tetradic

#17403B #271740 #40171C #314017

square

#17403B #271740 #40171C #314017

split-complementary

#17403B #401731 #402717

monochromatic

#081715 #081715 #17403B #276D65 #379A8E

Accessibility & contrast

On white

11.46

#17403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17403B

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17403B	#FFFFFF	#000000	##FFFFFF
##17403B	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C3B

Deuteranopia (green-blind)

#36383C

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #17403b;
/* rgb */ color: rgb(23, 64, 59);
/* oklch */ color: oklch(34.1% 0.047 184.5);

Tailwind

colors: {
  custom: {
    50: '#597570',
    500: '#17403b',
    950: '#000000',
  },
}

SCSS

$custom: #17403b;
$custom-light: #597570;
$custom-dark: #000000;

JSON

{
  "hex": "#17403b",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 172.683,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34084,
    "c": 0.04657,
    "h": 184.5
  },
  "luminance": 0.04165
}

Semantic roles & 50–950 ramp

primary

#17403B

secondary

#773C43

accent

#5161D7

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #17403B

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

Preview Lab → · Contrast checker → · Palette generator →