#174B3B
Closest named color: Dark Blue Green (#005249). oklch(37.3% 0.062 169.2), rgb(23, 75, 59).
Aa
White text reads best on this color (9.97:1).
About this color
#174B3B is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.062 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 9.97:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #174B3B |
| RGB | rgb(23, 75, 59) |
| HSL | hsl(162, 53%, 19%) |
| OKLCH | oklch(37.3% 0.062 169.2) |
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 #174B3B | 9.97:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #174B3B | 2.10:1 | Fails | Lc 11.0 | Not readable |
| #174B3B text on white | 9.97:1 | AAA | Lc 92.9 | Preferred for body text |
| #174B3B text on black | 2.10:1 | Fails | Lc -9.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B099
oklch(70.7% 0.074 169.4)
-
Step 500
500
#459C80
oklch(63.1% 0.095 169.4)
-
Step 600
600
#1D8669
oklch(55.5% 0.102 169.3)
-
Step 700
700
#097257
oklch(49.2% 0.096 168.7)
-
Step 800
800
#105D48
oklch(42.8% 0.079 169.4)
-
Step 900
900 (this color)
#174B3B
oklch(37.3% 0.062 169.2)
-
Step 950
950
#102D23
oklch(27.1% 0.04 168.2)
#174B3B 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) | #49463A | 0.063 |
| Deuteranopia (no green cones) | #42403C | 0.061 |
| Tritanopia (no blue cones) | #004B46 | 0.020 |
| Achromatopsia (no color) | #424242 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174B3B
#174B3B
oklch(37.3% 0.062 169.2)
- #593246
#593246
oklch(37.3% 0.063 348.5)
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 #174B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Dark Teal #014D4E ΔE 0.031
- Evergreen #05472A ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.044
- Pine Green #0A481E ΔE 0.045
- Deep Teal #00555A ΔE 0.052
- Charcoal #264653 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.057
Use #174B3B 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.