#173E43#173E43

#173E43 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.8% C 0.044 H 206.7°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#173E43
RGB	rgb(23, 62, 67)
HSL	hsl(187, 49%, 18%)
HSV	hsv(187, 66%, 26%)
CMYK	cmyk(65.7%, 7.5%, 0%, 73.7%)
CIE-LAB	lab(23.78, -11.90, -7.20)
CIE-LCH	lch(23.78, 13.91, 211.19°)
OKLab	oklab(33.83% -0.0396 -0.0199)
OKLCH	oklch(33.83% 0.044 206.7)
XYZ	xyz(3.0887, 4.0323, 5.9246)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E43 #431C17

analogous

#174332 #173E43 #172843

triadic

#173E43 #43173E #3E4317

tetradic

#173E43 #321743 #431C17 #284317

square

#173E43 #321743 #431C17 #284317

split-complementary

#173E43 #431728 #433217

monochromatic

#081517 #081517 #173E43 #276871 #36929E

Accessibility & contrast

On white

11.62

#173E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#173E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E43

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E43	#FFFFFF	#000000	##FFFFFF
##173E43	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B43

Deuteranopia (green-blind)

#323643

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173e43;
/* rgb */ color: rgb(23, 62, 67);
/* oklch */ color: oklch(33.8% 0.044 206.7);

Tailwind

colors: {
  custom: {
    50: '#5a7377',
    500: '#173e43',
    950: '#000000',
  },
}

SCSS

$custom: #173e43;
$custom-light: #5a7377;
$custom-dark: #000000;

JSON

{
  "hex": "#173e43",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 67
  },
  "hsl": {
    "h": 186.818,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33834,
    "c": 0.04437,
    "h": 206.7
  },
  "luminance": 0.04033
}

Semantic roles & 50–950 ramp

primary

#173E43

secondary

#7A433C

accent

#5F4FD8

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040808

muted

#797B7B

Preview Lab

Preview with #173E43

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

Preview Lab → · Contrast checker → · Palette generator →