#173433
Closest named color: Gunmetal (#293241). oklch(30.2% 0.035 192.5), rgb(23, 52, 51).
Aa
White text reads best on this color (13.32:1).
About this color
#173433 is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.035 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.039 away. White text reads best on it, at 13.32:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.57:1 |
| White text | 13.32:1 |
Values
| HEX | #173433 |
| RGB | rgb(23, 52, 51) |
| HSL | hsl(178, 39%, 15%) |
| OKLCH | oklch(30.2% 0.035 192.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #173433 | 13.32:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #173433 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #173433 text on white | 13.32:1 | AAA | Lc 99.6 | Preferred for body text |
| #173433 text on black | 1.57:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C9DEDD
oklch(88.5% 0.022 193.3)
-
Step 300
300
#A3CAC8
oklch(81% 0.041 192.5)
-
Step 400
400
#6DAEAB
oklch(70.6% 0.067 192)
-
Step 500
500
#409A97
oklch(63.2% 0.085 192.2)
-
Step 600
600
#108482
oklch(55.6% 0.092 192.9)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#075B59
oklch(42.7% 0.071 192.2)
-
Step 900
900
#154B49
oklch(37.8% 0.055 191.5)
-
Step 950
950 (this color)
#173433
oklch(30.2% 0.035 192.5)
#173433 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #313133 | 0.037 |
| Deuteranopia (no green cones) | #2C2E33 | 0.034 |
| Tritanopia (no blue cones) | #073534 | 0.012 |
| Achromatopsia (no color) | #2F2F2F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173433
#173433
oklch(30.2% 0.035 192.5)
- #3E2729
#3E2729
oklch(30.2% 0.035 13.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #173433, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.039
- Midnight Green #073B4C ΔE 0.044
- Pakistan Green #283618 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.050
- Jet #212529 ΔE 0.051
- Onyx #343A40 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.056
Use #173433 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.