#2D5243
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.05 166), rgb(45, 82, 67).
Aa
White text reads best on this color (8.75:1).
About this color
#2D5243 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.050 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.026 away. White text reads best on it, at 8.75:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #2D5243 |
| RGB | rgb(45, 82, 67) |
| HSL | hsl(156, 29%, 25%) |
| OKLCH | oklch(40.6% 0.05 166) |
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 #2D5243 | 8.75:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #2D5243 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #2D5243 text on white | 8.75:1 | AAA | Lc 89.9 | Fine for body text |
| #2D5243 text on black | 2.39:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD7
oklch(88.6% 0.016 166.7)
-
Step 300
300
#B0C7BC
oklch(80.9% 0.029 165.3)
-
Step 400
400
#85AA9A
oklch(70.6% 0.047 166.8)
-
Step 500
500
#669581
oklch(63% 0.059 166.2)
-
Step 600
600
#4C806B
oklch(55.7% 0.065 166.4)
-
Step 700
700
#3D6C59
oklch(49.2% 0.061 166.1)
-
Step 800
800 (this color)
#2D5243
oklch(40.6% 0.05 166)
-
Step 900
900
#2D483D
oklch(37.6% 0.038 166.9)
-
Step 950
950
#1B2A24
oklch(26.9% 0.023 167.9)
#2D5243 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) | #514D42 | 0.051 |
| Deuteranopia (no green cones) | #4B4944 | 0.049 |
| Tritanopia (no blue cones) | #23524E | 0.019 |
| Achromatopsia (no color) | #4B4B4B | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5243
#2D5243
oklch(40.6% 0.05 166)
- #5D3E4F
#5D3E4F
oklch(40.5% 0.05 345.5)
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 #2D5243, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.026
- Dark Blue Green #005249 ΔE 0.029
- Deep Teal #00555A ΔE 0.041
- Dark Teal #014D4E ΔE 0.041
- Pine #2B5D34 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.054
- Spruce #0A5F38 ΔE 0.055
- Charcoal #264653 ΔE 0.056
Use #2D5243 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.