#2A5043
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.9% 0.049 169.6), rgb(42, 80, 67).
Aa
White text reads best on this color (9.02:1).
About this color
#2A5043 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.049 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.023 away. White text reads best on it, at 9.02:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #2A5043 |
| RGB | rgb(42, 80, 67) |
| HSL | hsl(159, 31%, 24%) |
| OKLCH | oklch(39.9% 0.049 169.6) |
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 #2A5043 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #2A5043 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #2A5043 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #2A5043 text on black | 2.32:1 | 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
#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
#AAC9BD
oklch(81% 0.037 170)
-
Step 400
400
#7CAD9B
oklch(70.8% 0.059 169.8)
-
Step 500
500
#589882
oklch(63% 0.075 169.8)
-
Step 600
600
#3A836C
oklch(55.7% 0.082 170)
-
Step 700
700
#2C6F5A
oklch(49.2% 0.076 169.6)
-
Step 800
800
#265A49
oklch(42.7% 0.063 169.2)
-
Step 900
900 (this color)
#2A5043
oklch(39.9% 0.049 169.6)
-
Step 950
950
#162B24
oklch(26.9% 0.03 170.6)
#2A5043 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) | #4E4B42 | 0.050 |
| Deuteranopia (no green cones) | #484744 | 0.048 |
| Tritanopia (no blue cones) | #1E504C | 0.017 |
| Achromatopsia (no color) | #494949 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5043
#2A5043
oklch(39.9% 0.049 169.6)
- #5C3C4B
#5C3C4B
oklch(39.8% 0.05 350)
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 #2A5043, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.023
- Dark Blue Green #005249 ΔE 0.025
- Dark Teal #014D4E ΔE 0.035
- Deep Teal #00555A ΔE 0.040
- Charcoal #264653 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.052
- Pine #2B5D34 ΔE 0.055
- Evergreen #05472A ΔE 0.058
Use #2A5043 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.