#183D32
Closest named color: Pakistan Green (#283618). oklch(32.9% 0.047 171.3), rgb(24, 61, 50).
Aa
White text reads best on this color (11.98:1).
About this color
#183D32 is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.047 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.040 away. White text reads best on it, at 11.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #183D32 |
| RGB | rgb(24, 61, 50) |
| HSL | hsl(162, 44%, 17%) |
| OKLCH | oklch(32.9% 0.047 171.3) |
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 #183D32 | 11.98:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #183D32 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #183D32 text on white | 11.98:1 | AAA | Lc 97.3 | Preferred for body text |
| #183D32 text on black | 1.75:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7DAC9C
oklch(70.6% 0.056 171.6)
-
Step 500
500
#599884
oklch(63.1% 0.072 171.5)
-
Step 600
600
#3C826D
oklch(55.5% 0.079 171.2)
-
Step 700
700
#2E6E5B
oklch(49.1% 0.073 171)
-
Step 800
800
#275A4B
oklch(42.8% 0.061 171.6)
-
Step 900
900 (this color)
#183D32
oklch(32.9% 0.047 171.3)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#183D32 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) | #3B3931 | 0.048 |
| Deuteranopia (no green cones) | #363533 | 0.047 |
| Tritanopia (no blue cones) | #073E3A | 0.016 |
| Achromatopsia (no color) | #373737 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183D32
#183D32
oklch(32.9% 0.047 171.3)
- #482B38
#482B38
oklch(33% 0.047 351.6)
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 #183D32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.040
- Evergreen #05472A ΔE 0.042
- Onyx #343A40 ΔE 0.049
- Midnight Green #073B4C ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.053
- Gunmetal #293241 ΔE 0.057
- Pine Green #0A481E ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.059
Use #183D32 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.