#173B30
Closest named color: Pakistan Green (#283618). oklch(32.2% 0.046 170.7), rgb(23, 59, 48).
Aa
White text reads best on this color (12.31:1).
About this color
#173B30 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.046 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.037 away. White text reads best on it, at 12.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.70:1 |
| White text | 12.31:1 |
Values
| HEX | #173B30 |
| RGB | rgb(23, 59, 48) |
| HSL | hsl(162, 44%, 16%) |
| OKLCH | oklch(32.2% 0.046 170.7) |
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 #173B30 | 12.31:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #173B30 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #173B30 text on white | 12.31:1 | AAA | Lc 97.9 | Preferred for body text |
| #173B30 text on black | 1.70:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C6E0D6
oklch(88.5% 0.031 170.5)
-
Step 300
300
#9ECDBC
oklch(81% 0.055 170.7)
-
Step 400
400
#63B399
oklch(70.8% 0.089 170.6)
-
Step 500
500
#299F80
oklch(63.1% 0.112 170.8)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#024E3C
oklch(37.8% 0.074 170.5)
-
Step 950
950 (this color)
#173B30
oklch(32.2% 0.046 170.7)
#173B30 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) | #39372F | 0.047 |
| Deuteranopia (no green cones) | #343331 | 0.046 |
| Tritanopia (no blue cones) | #073B38 | 0.017 |
| Achromatopsia (no color) | #353535 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173B30
#173B30
oklch(32.2% 0.046 170.7)
- #452936
#452936
oklch(32.1% 0.046 350.7)
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 #173B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.037
- Evergreen #05472A ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
- Onyx #343A40 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
- Gunmetal #293241 ΔE 0.055
- Pine Green #0A481E ΔE 0.061
- Hunter Green #0B4008 ΔE 0.063
Use #173B30 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.