#313D18
Closest named color: Dark Olive (#373E02). oklch(33.9% 0.06 124.4), rgb(49, 61, 24).
Aa
White text reads best on this color (11.59:1).
About this color
#313D18 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.060 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.59:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #313D18 |
| RGB | rgb(49, 61, 24) |
| HSL | hsl(79, 44%, 17%) |
| OKLCH | oklch(33.9% 0.06 124.4) |
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 #313D18 | 11.59:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #313D18 | 1.81:1 | Fails | Lc 0.0 | Not readable |
| #313D18 text on white | 11.59:1 | AAA | Lc 96.6 | Preferred for body text |
| #313D18 text on black | 1.81:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D5DCCB
oklch(88.4% 0.024 125.2)
-
Step 300
300
#BAC6A7
oklch(80.9% 0.044 124.6)
-
Step 400
400
#97A977
oklch(70.8% 0.072 124.3)
-
Step 500
500
#7D9353
oklch(63% 0.092 124.5)
-
Step 600
600
#677D37
oklch(55.6% 0.1 124.1)
-
Step 700
700
#556929
oklch(49% 0.093 124.3)
-
Step 800
800
#465623
oklch(42.7% 0.077 124.1)
-
Step 900
900 (this color)
#313D18
oklch(33.9% 0.06 124.4)
-
Step 950
950
#222A14
oklch(27.1% 0.039 125.3)
#313D18 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) | #403914 | 0.026 |
| Deuteranopia (no green cones) | #3F391A | 0.027 |
| Tritanopia (no blue cones) | #333A35 | 0.049 |
| Achromatopsia (no color) | #393939 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313D18
#313D18
oklch(33.9% 0.06 124.4)
- #3F2F51
#3F2F51
oklch(33.9% 0.061 305)
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 #313D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Pakistan Green #283618 ΔE 0.029
- Evergreen #05472A ΔE 0.046
- Forrest Green #154406 ΔE 0.047
- Pine Green #0A481E ΔE 0.047
- Hunter Green #0B4008 ΔE 0.049
- British Racing Green #05480D ΔE 0.057
- Darkgreen #054907 ΔE 0.061
Use #313D18 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.