#313A18
Closest named color: Pakistan Green (#283618). oklch(33.1% 0.055 121.7), rgb(49, 58, 24).
Aa
White text reads best on this color (12.00:1).
About this color
#313A18 is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.055 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.021 away. White text reads best on it, at 12.00:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #313A18 |
| RGB | rgb(49, 58, 24) |
| HSL | hsl(76, 41%, 16%) |
| OKLCH | oklch(33.1% 0.055 121.7) |
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 #313A18 | 12.00:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #313A18 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #313A18 text on white | 12.00:1 | AAA | Lc 97.5 | Preferred for body text |
| #313A18 text on black | 1.74:1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCB
oklch(88.5% 0.024 122.8)
-
Step 300
300
#BCC5A8
oklch(80.9% 0.041 121.3)
-
Step 400
400
#9AA779
oklch(70.6% 0.066 120.9)
-
Step 500
500
#819257
oklch(63.2% 0.084 122)
-
Step 600
600
#6B7C3B
oklch(55.7% 0.092 121.6)
-
Step 700
700
#59682D
oklch(49.1% 0.085 121.5)
-
Step 800
800
#495527
oklch(42.7% 0.07 121.5)
-
Step 900
900 (this color)
#313A18
oklch(33.1% 0.055 121.7)
-
Step 950
950
#242916
oklch(27% 0.034 120.7)
#313A18 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) | #3D3715 | 0.021 |
| Deuteranopia (no green cones) | #3C361A | 0.023 |
| Tritanopia (no blue cones) | #333732 | 0.045 |
| Achromatopsia (no color) | #363636 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313A18
#313A18
oklch(33.1% 0.055 121.7)
- #3B2F4D
#3B2F4D
oklch(33.2% 0.054 301.9)
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 #313A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.021
- Dark Olive #373E02 ΔE 0.028
- Evergreen #05472A ΔE 0.052
- Hunter Green #0B4008 ΔE 0.052
- Forrest Green #154406 ΔE 0.054
- Pine Green #0A481E ΔE 0.055
- British Racing Green #05480D ΔE 0.065
- Onyx #343A40 ΔE 0.065
Use #313A18 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.