#313E2F
Closest named color: Onyx (#343A40). oklch(34.7% 0.031 141.3), rgb(49, 62, 47).
Aa
White text reads best on this color (11.28:1).
About this color
#313E2F is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.031 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 11.28:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #313E2F |
| RGB | rgb(49, 62, 47) |
| HSL | hsl(112, 14%, 21%) |
| OKLCH | oklch(34.7% 0.031 141.3) |
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 #313E2F | 11.28:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #313E2F | 1.86:1 | Fails | Lc 7.8 | Not readable |
| #313E2F text on white | 11.28:1 | AAA | Lc 96.1 | Preferred for body text |
| #313E2F text on black | 1.86:1 | Fails | Lc 0.0 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#B9C5B7
oklch(81% 0.023 141.2)
-
Step 400
400
#94A791
oklch(70.7% 0.038 141.4)
-
Step 500
500
#7A9176
oklch(63.1% 0.048 141)
-
Step 600
600
#637B5F
oklch(55.6% 0.051 141.1)
-
Step 700
700
#52684E
oklch(49.2% 0.048 140.7)
-
Step 800
800
#435540
oklch(42.8% 0.041 141.1)
-
Step 900
900 (this color)
#313E2F
oklch(34.7% 0.031 141.3)
-
Step 950
950
#212920
oklch(27% 0.02 142)
#313E2F 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) | #3F3B2E | 0.024 |
| Deuteranopia (no green cones) | #3D3A30 | 0.023 |
| Tritanopia (no blue cones) | #303D3A | 0.020 |
| Achromatopsia (no color) | #3B3B3B | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313E2F
#313E2F
oklch(34.7% 0.031 141.3)
- #413544
#413544
oklch(34.8% 0.03 319.5)
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 #313E2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.038
- Pakistan Green #283618 ΔE 0.043
- Evergreen #05472A ΔE 0.051
- Dark Olive #373E02 ΔE 0.052
- Charcoal #264653 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.060
- Gunmetal #293241 ΔE 0.061
Use #313E2F 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.