#313E2D
Closest named color: Onyx (#343A40). oklch(34.7% 0.034 138.4), rgb(49, 62, 45).
Aa
White text reads best on this color (11.30:1).
About this color
#313E2D is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.034 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.040 away. White text reads best on it, at 11.30:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #313E2D |
| RGB | rgb(49, 62, 45) |
| HSL | hsl(106, 16%, 21%) |
| OKLCH | oklch(34.7% 0.034 138.4) |
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 #313E2D | 11.30:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #313E2D | 1.85:1 | Fails | Lc 7.8 | Not readable |
| #313E2D text on white | 11.30:1 | AAA | Lc 96.1 | Preferred for body text |
| #313E2D text on black | 1.85:1 | 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
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#B9C5B5
oklch(81% 0.026 137.8)
-
Step 400
400
#94A78F
oklch(70.7% 0.04 139.2)
-
Step 500
500
#7A9173
oklch(63% 0.051 138.4)
-
Step 600
600
#637B5C
oklch(55.5% 0.055 138.7)
-
Step 700
700
#52684B
oklch(49.1% 0.052 138.2)
-
Step 800
800
#43553E
oklch(42.7% 0.043 138.9)
-
Step 900
900 (this color)
#313E2D
oklch(34.7% 0.034 138.4)
-
Step 950
950
#21291F
oklch(27% 0.021 139.4)
#313E2D 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) | #3F3B2C | 0.024 |
| Deuteranopia (no green cones) | #3D3A2E | 0.023 |
| Tritanopia (no blue cones) | #313D39 | 0.022 |
| Achromatopsia (no color) | #3A3A3A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313E2D
#313E2D
oklch(34.7% 0.034 138.4)
- #413445
#413445
oklch(34.6% 0.034 318.2)
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 #313E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.040
- Pakistan Green #283618 ΔE 0.040
- Dark Olive #373E02 ΔE 0.048
- Evergreen #05472A ΔE 0.050
- Pine Green #0A481E ΔE 0.060
- Charcoal #264653 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.062
Use #313E2D 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.