#1B310D
Closest named color: Very Dark Green (#062E03). oklch(28.5% 0.065 135.1), rgb(27, 49, 13).
Aa
White text reads best on this color (14.07:1).
About this color
#1B310D is a dark, muted green. In OKLCH its lightness is 29%, its chroma 0.065 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.029 away. White text reads best on it, at 14.07:1.
| Hue family | Greens |
| Lightness | dark (29%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.49:1 |
| White text | 14.07:1 |
Values
| HEX | #1B310D |
| RGB | rgb(27, 49, 13) |
| HSL | hsl(97, 58%, 12%) |
| OKLCH | oklch(28.5% 0.065 135.1) |
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 #1B310D | 14.07:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #1B310D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1B310D text on white | 14.07:1 | AAA | Lc 100.6 | Preferred for body text |
| #1B310D text on black | 1.49:1 | 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 950.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C4
oklch(88.5% 0.043 135.5)
-
Step 300
300
#ABCC9A
oklch(80.8% 0.077 135.1)
-
Step 400
400
#7EB261
oklch(70.8% 0.124 135.2)
-
Step 500
500
#5C9E2F
oklch(63.2% 0.158 135.2)
-
Step 600
600
#448700
oklch(55.7% 0.163 135.2)
-
Step 700
700
#387100
oklch(49% 0.143 135.1)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#274D09
oklch(37.7% 0.103 135.2)
-
Step 950
950 (this color)
#1B310D
oklch(28.5% 0.065 135.1)
#1B310D 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) | #332D09 | 0.039 |
| Deuteranopia (no green cones) | #302B10 | 0.040 |
| Tritanopia (no blue cones) | #1B2F29 | 0.046 |
| Achromatopsia (no color) | #2B2B2B | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B310D
#1B310D
oklch(28.5% 0.065 135.1)
- #361F40
#361F40
oklch(28.5% 0.065 315)
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 #1B310D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.029
- Pakistan Green #283618 ΔE 0.030
- Dark Forest Green #002D04 ΔE 0.035
- Hunter Green #0B4008 ΔE 0.054
- Dark Olive #373E02 ΔE 0.066
- Forrest Green #154406 ΔE 0.068
- Jet #212529 ΔE 0.073
- Evergreen #05472A ΔE 0.074
Use #1B310D 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.