#2D4537
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.038 158.2), rgb(45, 69, 55).
Aa
White text reads best on this color (10.40:1).
About this color
#2D4537 is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.038 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.035 away. White text reads best on it, at 10.40:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #2D4537 |
| RGB | rgb(45, 69, 55) |
| HSL | hsl(145, 21%, 22%) |
| OKLCH | oklch(36.6% 0.038 158.2) |
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 #2D4537 | 10.40:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #2D4537 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #2D4537 text on white | 10.40:1 | AAA | Lc 94.1 | Preferred for body text |
| #2D4537 text on black | 2.01:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C7BA
oklch(81% 0.029 158.5)
-
Step 400
400
#89AA96
oklch(70.8% 0.046 158.4)
-
Step 500
500
#6B957C
oklch(63.2% 0.06 158)
-
Step 600
600
#527F65
oklch(55.6% 0.064 158.1)
-
Step 700
700
#426B54
oklch(49% 0.059 158.7)
-
Step 800
800
#375745
oklch(42.6% 0.048 158.8)
-
Step 900
900 (this color)
#2D4537
oklch(36.6% 0.038 158.2)
-
Step 950
950
#1C2A22
oklch(26.9% 0.024 159.2)
#2D4537 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) | #454136 | 0.037 |
| Deuteranopia (no green cones) | #413F38 | 0.035 |
| Tritanopia (no blue cones) | #284541 | 0.017 |
| Achromatopsia (no color) | #404040 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4537
#2D4537
oklch(36.6% 0.038 158.2)
- #4C3746
#4C3746
oklch(36.6% 0.038 337.1)
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 #2D4537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.035
- Evergreen #05472A ΔE 0.044
- Dark Teal #014D4E ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.044
- Onyx #343A40 ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.047
- Pine Green #0A481E ΔE 0.056
Use #2D4537 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.