#2D5040
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.9% 0.049 163.4), rgb(45, 80, 64).
Aa
White text reads best on this color (9.00:1).
About this color
#2D5040 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.049 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.027 away. White text reads best on it, at 9.00:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #2D5040 |
| RGB | rgb(45, 80, 64) |
| HSL | hsl(153, 28%, 25%) |
| OKLCH | oklch(39.9% 0.049 163.4) |
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 #2D5040 | 9.00:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #2D5040 | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #2D5040 text on white | 9.00:1 | AAA | Lc 90.6 | Preferred for body text |
| #2D5040 text on black | 2.33:1 | Fails | Lc -11.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDED5
oklch(88.6% 0.021 161.4)
-
Step 300
300
#ACC9BA
oklch(81% 0.038 163)
-
Step 400
400
#7FAD96
oklch(70.8% 0.06 162.7)
-
Step 500
500
#5C987D
oklch(63.1% 0.075 163.9)
-
Step 600
600
#408266
oklch(55.5% 0.081 163.9)
-
Step 700
700
#326E54
oklch(49% 0.076 163)
-
Step 800
800
#2A5A45
oklch(42.7% 0.064 163.2)
-
Step 900
900 (this color)
#2D5040
oklch(39.9% 0.049 163.4)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#2D5040 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) | #4F4B3F | 0.049 |
| Deuteranopia (no green cones) | #494741 | 0.047 |
| Tritanopia (no blue cones) | #24504B | 0.019 |
| Achromatopsia (no color) | #494949 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5040
#2D5040
oklch(39.9% 0.049 163.4)
- #5B3D4E
#5B3D4E
oklch(40% 0.049 344.6)
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 #2D5040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.027
- Dark Blue Green #005249 ΔE 0.029
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.045
- Pine #2B5D34 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Evergreen #05472A ΔE 0.057
Use #2D5040 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.