#173F2F
Closest named color: Evergreen (#05472A). oklch(33.4% 0.054 164.4), rgb(23, 63, 47).
Aa
White text reads best on this color (11.74:1).
About this color
#173F2F is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.054 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.033 away. White text reads best on it, at 11.74:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #173F2F |
| RGB | rgb(23, 63, 47) |
| HSL | hsl(156, 47%, 17%) |
| OKLCH | oklch(33.4% 0.054 164.4) |
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 #173F2F | 11.74:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #173F2F | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #173F2F text on white | 11.74:1 | AAA | Lc 96.8 | Preferred for body text |
| #173F2F text on black | 1.78:1 | 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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#AAC9BA
oklch(80.9% 0.039 164.6)
-
Step 400
400
#7BAE96
oklch(70.8% 0.065 163.9)
-
Step 500
500
#56997C
oklch(63% 0.082 164.3)
-
Step 600
600
#388465
oklch(55.6% 0.09 163.9)
-
Step 700
700
#296F54
oklch(49% 0.083 164.6)
-
Step 800
800
#245B45
oklch(42.7% 0.069 164.3)
-
Step 900
900 (this color)
#173F2F
oklch(33.4% 0.054 164.4)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#173F2F 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) | #3E3A2E | 0.054 |
| Deuteranopia (no green cones) | #383630 | 0.052 |
| Tritanopia (no blue cones) | #063F3B | 0.022 |
| Achromatopsia (no color) | #383838 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173F2F
#173F2F
oklch(33.4% 0.054 164.4)
- #4A2B3D
#4A2B3D
oklch(33.5% 0.053 344.6)
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 #173F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.033
- Pakistan Green #283618 ΔE 0.039
- Pine Green #0A481E ΔE 0.047
- Hunter Green #0B4008 ΔE 0.055
- Onyx #343A40 ΔE 0.055
- Midnight Green #073B4C ΔE 0.058
- Dark Teal #014D4E ΔE 0.058
- Forrest Green #154406 ΔE 0.059
Use #173F2F 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.