#2F4E41
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.5% 0.043 165.9), rgb(47, 78, 65).
Aa
White text reads best on this color (9.18:1).
About this color
#2F4E41 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.043 and its hue 166°. 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 9.18:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #2F4E41 |
| RGB | rgb(47, 78, 65) |
| HSL | hsl(155, 25%, 25%) |
| OKLCH | oklch(39.5% 0.043 165.9) |
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 #2F4E41 | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #2F4E41 | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #2F4E41 text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #2F4E41 text on black | 2.28:1 | Fails | Lc -11.2 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BC
oklch(81% 0.033 166)
-
Step 400
400
#82AB99
oklch(70.6% 0.052 166.2)
-
Step 500
500
#619780
oklch(63.2% 0.067 165.6)
-
Step 600
600
#478169
oklch(55.6% 0.072 165.3)
-
Step 700
700
#386D58
oklch(49.1% 0.067 165.9)
-
Step 800
800
#2F5948
oklch(42.8% 0.056 165.8)
-
Step 900
900 (this color)
#2F4E41
oklch(39.5% 0.043 165.9)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#2F4E41 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) | #4D4A40 | 0.044 |
| Deuteranopia (no green cones) | #484642 | 0.043 |
| Tritanopia (no blue cones) | #274E4A | 0.016 |
| Achromatopsia (no color) | #484848 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4E41
#2F4E41
oklch(39.5% 0.043 165.9)
- #583D4B
#583D4B
oklch(39.5% 0.043 346.8)
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 #2F4E41, 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 0.031
- Dark Teal #014D4E ΔE 0.038
- Deep Teal #00555A ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.046
- Charcoal #264653 ΔE 0.048
- Evergreen #05472A ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.059
Use #2F4E41 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.