#313B18
Closest named color: Pakistan Green (#283618). oklch(33.4% 0.057 122.7), rgb(49, 59, 24).
Aa
White text reads best on this color (11.86:1).
About this color
#313B18 is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.057 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.023 away. White text reads best on it, at 11.86:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.76:1 |
| White text | 11.86:1 |
Values
| HEX | #313B18 |
| RGB | rgb(49, 59, 24) |
| HSL | hsl(77, 42%, 16%) |
| OKLCH | oklch(33.4% 0.057 122.7) |
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 #313B18 | 11.86:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #313B18 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #313B18 text on white | 11.86:1 | AAA | Lc 97.2 | Preferred for body text |
| #313B18 text on black | 1.76:1 | 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
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCCB
oklch(88.5% 0.024 122.8)
-
Step 300
300
#BBC6A8
oklch(81% 0.043 123.7)
-
Step 400
400
#99A879
oklch(70.8% 0.067 122.5)
-
Step 500
500
#809256
oklch(63.1% 0.086 122.5)
-
Step 600
600
#697C3A
oklch(55.5% 0.094 122.8)
-
Step 700
700
#58692C
oklch(49.2% 0.088 122.6)
-
Step 800
800
#485526
oklch(42.6% 0.072 122.3)
-
Step 900
900 (this color)
#313B18
oklch(33.4% 0.057 122.7)
-
Step 950
950
#232915
oklch(26.9% 0.036 122.4)
#313B18 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) | #3E3715 | 0.024 |
| Deuteranopia (no green cones) | #3D371A | 0.024 |
| Tritanopia (no blue cones) | #333833 | 0.047 |
| Achromatopsia (no color) | #373737 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313B18
#313B18
oklch(33.4% 0.057 122.7)
- #3C2F4E
#3C2F4E
oklch(33.4% 0.056 302.8)
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 #313B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.023
- Dark Olive #373E02 ΔE 0.025
- Evergreen #05472A ΔE 0.050
- Hunter Green #0B4008 ΔE 0.051
- Forrest Green #154406 ΔE 0.052
- Pine Green #0A481E ΔE 0.052
- British Racing Green #05480D ΔE 0.062
- Racing Green #014600 ΔE 0.066
Use #313B18 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.