#2F4B41
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.7% 0.038 169.8), rgb(47, 75, 65).
Aa
White text reads best on this color (9.52:1).
About this color
#2F4B41 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.038 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 9.52:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #2F4B41 |
| RGB | rgb(47, 75, 65) |
| HSL | hsl(159, 23%, 24%) |
| OKLCH | oklch(38.7% 0.038 169.8) |
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 #2F4B41 | 9.52:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #2F4B41 | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #2F4B41 text on white | 9.52:1 | AAA | Lc 92.0 | Preferred for body text |
| #2F4B41 text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD7
oklch(88.5% 0.017 168.4)
-
Step 300
300
#AFC7BE
oklch(80.9% 0.029 171)
-
Step 400
400
#85AA9C
oklch(70.7% 0.045 169.9)
-
Step 500
500
#659584
oklch(63% 0.058 170.3)
-
Step 600
600
#4B806D
oklch(55.7% 0.065 169)
-
Step 700
700
#3C6C5B
oklch(49.2% 0.06 169)
-
Step 800
800
#32584B
oklch(42.8% 0.049 170)
-
Step 900
900 (this color)
#2F4B41
oklch(38.7% 0.038 169.8)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#2F4B41 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) | #4A4741 | 0.040 |
| Deuteranopia (no green cones) | #454442 | 0.038 |
| Tritanopia (no blue cones) | #284B48 | 0.013 |
| Achromatopsia (no color) | #454545 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4B41
#2F4B41
oklch(38.7% 0.038 169.8)
- #543C47
#543C47
oklch(38.7% 0.038 349.9)
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 #2F4B41, 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 0.035
- Dark Teal #014D4E ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Deep Teal #00555A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.053
- Evergreen #05472A ΔE 0.056
Use #2F4B41 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.