#183A2C
Closest named color: Pakistan Green (#283618). oklch(31.8% 0.048 164.4), rgb(24, 58, 44).
Aa
White text reads best on this color (12.49:1).
About this color
#183A2C is a dark, muted green. In OKLCH its lightness is 32%, its chroma 0.048 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.031 away. White text reads best on it, at 12.49:1.
| Hue family | Greens |
| Lightness | dark (32%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.68:1 |
| White text | 12.49:1 |
Values
| HEX | #183A2C |
| RGB | rgb(24, 58, 44) |
| HSL | hsl(155, 41%, 16%) |
| OKLCH | oklch(31.8% 0.048 164.4) |
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 #183A2C | 12.49:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #183A2C | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #183A2C text on white | 12.49:1 | AAA | Lc 98.3 | Preferred for body text |
| #183A2C text on black | 1.68:1 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C7E0D4
oklch(88.5% 0.031 165.2)
-
Step 300
300
#A0CDB7
oklch(81% 0.057 163.7)
-
Step 400
400
#67B392
oklch(70.8% 0.091 164.3)
-
Step 500
500
#339F77
oklch(63.1% 0.115 164.4)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#0A4E37
oklch(37.8% 0.075 164.3)
-
Step 950
950 (this color)
#183A2C
oklch(31.8% 0.048 164.4)
#183A2C 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) | #39362B | 0.047 |
| Deuteranopia (no green cones) | #34322D | 0.046 |
| Tritanopia (no blue cones) | #0C3A36 | 0.019 |
| Achromatopsia (no color) | #343434 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183A2C
#183A2C
oklch(31.8% 0.048 164.4)
- #442838
#442838
oklch(31.8% 0.049 344.9)
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 #183A2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.031
- Evergreen #05472A ΔE 0.047
- Onyx #343A40 ΔE 0.055
- Midnight Green #073B4C ΔE 0.056
- Gunmetal #293241 ΔE 0.059
- Hunter Green #0B4008 ΔE 0.059
- Pine Green #0A481E ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #183A2C 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.