#173530
Closest named color: Pakistan Green (#283618). oklch(30.4% 0.037 181.6), rgb(23, 53, 48).
Aa
White text reads best on this color (13.22:1).
About this color
#173530 is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.037 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.043 away. White text reads best on it, at 13.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.58:1 |
| White text | 13.22:1 |
Values
| HEX | #173530 |
| RGB | rgb(23, 53, 48) |
| HSL | hsl(170, 39%, 15%) |
| OKLCH | oklch(30.4% 0.037 181.6) |
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 #173530 | 13.22:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #173530 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #173530 text on white | 13.22:1 | AAA | Lc 99.5 | Preferred for body text |
| #173530 text on black | 1.58:1 | 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
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A2CAC2
oklch(80.8% 0.044 181.6)
-
Step 400
400
#6DAFA3
oklch(70.6% 0.07 181.4)
-
Step 500
500
#3E9B8D
oklch(63% 0.09 181.8)
-
Step 600
600
#0A8677
oklch(55.7% 0.098 181.2)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#045C52
oklch(42.7% 0.075 182.1)
-
Step 900
900
#134C44
oklch(37.8% 0.059 181.8)
-
Step 950
950 (this color)
#173530
oklch(30.4% 0.037 181.6)
#173530 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) | #333230 | 0.040 |
| Deuteranopia (no green cones) | #2E2E30 | 0.038 |
| Tritanopia (no blue cones) | #093633 | 0.011 |
| Achromatopsia (no color) | #303030 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173530
#173530
oklch(30.4% 0.037 181.6)
- #3F272D
#3F272D
oklch(30.5% 0.037 3.2)
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 #173530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.043
- Gunmetal #293241 ΔE 0.044
- Midnight Green #073B4C ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.054
- Onyx #343A40 ΔE 0.054
- Jet #212529 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Dark #1B2431 ΔE 0.062
Use #173530 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.