#174C55#174C55

#174C55 is a dark, muted teal. Relative luminance 0.060; OKLCH L 38.6% C 0.056 H 210.9°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#174C55
RGB	rgb(23, 76, 85)
HSL	hsl(189, 57%, 21%)
HSV	hsv(189, 73%, 33%)
CMYK	cmyk(72.9%, 10.6%, 0%, 66.7%)
CIE-LAB	lab(29.43, -13.91, -10.41)
CIE-LCH	lch(29.43, 17.37, 216.82°)
OKLab	oklab(38.62% -0.0483 -0.0289)
OKLCH	oklch(38.62% 0.056 210.9)
XYZ	xyz(4.5768, 6.0064, 9.5107)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C55 #552017

analogous

#17553F #174C55 #172D55

triadic

#174C55 #55174C #4C5517

tetradic

#174C55 #3F1755 #552017 #2D5517

square

#174C55 #3F1755 #552017 #2D5517

split-complementary

#174C55 #55172D #553F17

monochromatic

#071618 #0A2125 #174C55 #247785 #31A2B5

Accessibility & contrast

On white

9.54

#174C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#174C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C55

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C55	#FFFFFF	#000000	##FFFFFF
##174C55	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454956

Deuteranopia (green-blind)

#3C4355

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #174c55;
/* rgb */ color: rgb(23, 76, 85);
/* oklch */ color: oklch(38.6% 0.056 210.9);

Tailwind

colors: {
  custom: {
    50: '#5e7e84',
    500: '#174c55',
    950: '#000000',
  },
}

SCSS

$custom: #174c55;
$custom-light: #5e7e84;
$custom-dark: #000000;

JSON

{
  "hex": "#174c55",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 85
  },
  "hsl": {
    "h": 188.71,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3862,
    "c": 0.05633,
    "h": 210.9
  },
  "luminance": 0.06007
}

Semantic roles & 50–950 ramp

primary

#174C55

secondary

#8C473C

accent

#5D47E1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174C55

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

Preview Lab → · Contrast checker → · Palette generator →