#313B2B
Closest named color: Pakistan Green (#283618). oklch(33.8% 0.03 133.9), rgb(49, 59, 43).
Aa
White text reads best on this color (11.72:1).
About this color
#313B2B is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.030 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.035 away. White text reads best on it, at 11.72:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.79:1 |
| White text | 11.72:1 |
Values
| HEX | #313B2B |
| RGB | rgb(49, 59, 43) |
| HSL | hsl(98, 16%, 20%) |
| OKLCH | oklch(33.8% 0.03 133.9) |
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 #313B2B | 11.72:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #313B2B | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #313B2B text on white | 11.72:1 | AAA | Lc 96.9 | Preferred for body text |
| #313B2B text on black | 1.79:1 | 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
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD3
oklch(88.5% 0.012 133.4)
-
Step 300
300
#BBC4B5
oklch(80.9% 0.023 132.6)
-
Step 400
400
#97A68F
oklch(70.7% 0.037 134.6)
-
Step 500
500
#7E9073
oklch(63.1% 0.047 133.7)
-
Step 600
600
#677A5C
oklch(55.5% 0.05 134.2)
-
Step 700
700
#56674C
oklch(49.2% 0.047 134.1)
-
Step 800
800
#46543E
oklch(42.7% 0.039 134.3)
-
Step 900
900 (this color)
#313B2B
oklch(33.8% 0.03 133.9)
-
Step 950
950
#23291F
oklch(27.2% 0.02 132.9)
#313B2B 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) | #3C392A | 0.018 |
| Deuteranopia (no green cones) | #3B382C | 0.019 |
| Tritanopia (no blue cones) | #313A37 | 0.022 |
| Achromatopsia (no color) | #383838 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313B2B
#313B2B
oklch(33.8% 0.03 133.9)
- #3D3343
#3D3343
oklch(33.8% 0.031 312.7)
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 #313B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.035
- Onyx #343A40 ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Olive #373E02 ΔE 0.050
- Evergreen #05472A ΔE 0.055
- Gunmetal #293241 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.062
- Pine Green #0A481E ΔE 0.066
Use #313B2B 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.