#2A4E40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.2% 0.048 166.9), rgb(42, 78, 64).
Aa
White text reads best on this color (9.28:1).
About this color
#2A4E40 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.048 and its hue 167°. 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 9.28:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #2A4E40 |
| RGB | rgb(42, 78, 64) |
| HSL | hsl(157, 30%, 24%) |
| OKLCH | oklch(39.2% 0.048 166.9) |
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 #2A4E40 | 9.28:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #2A4E40 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #2A4E40 text on white | 9.28:1 | AAA | Lc 91.3 | Preferred for body text |
| #2A4E40 text on black | 2.26:1 | Fails | Lc -11.0 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BC
oklch(81% 0.037 167.4)
-
Step 400
400
#7EAD99
oklch(70.8% 0.058 166.6)
-
Step 500
500
#5B9880
oklch(63.1% 0.074 167)
-
Step 600
600
#3E8269
oklch(55.5% 0.08 167.1)
-
Step 700
700
#2F6E58
oklch(49% 0.075 167.7)
-
Step 800
800
#285A48
oklch(42.7% 0.062 167.4)
-
Step 900
900 (this color)
#2A4E40
oklch(39.2% 0.048 166.9)
-
Step 950
950
#172B23
oklch(26.9% 0.03 166.8)
#2A4E40 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) | #4C4A3F | 0.048 |
| Deuteranopia (no green cones) | #474541 | 0.048 |
| Tritanopia (no blue cones) | #1F4E4A | 0.018 |
| Achromatopsia (no color) | #474747 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4E40
#2A4E40
oklch(39.2% 0.048 166.9)
- #593B4B
#593B4B
oklch(39.2% 0.049 346.3)
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 #2A4E40, 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 0.027
- Dark Teal #014D4E ΔE 0.034
- Deep Teal #00555A ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.049
- Charcoal #264653 ΔE 0.049
- Evergreen #05472A ΔE 0.052
- Pine #2B5D34 ΔE 0.059
Use #2A4E40 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.