#1B310A
Closest named color: Very Dark Green (#062E03). oklch(28.5% 0.068 134.1), rgb(27, 49, 10).
Aa
White text reads best on this color (14.09:1).
About this color
#1B310A is a dark, muted green. In OKLCH its lightness is 28%, its chroma 0.068 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.027 away. White text reads best on it, at 14.09:1.
| Hue family | Greens |
| Lightness | dark (28%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.49:1 |
| White text | 14.09:1 |
Values
| HEX | #1B310A |
| RGB | rgb(27, 49, 10) |
| HSL | hsl(94, 66%, 12%) |
| OKLCH | oklch(28.5% 0.068 134.1) |
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 #1B310A | 14.09:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #1B310A | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1B310A text on white | 14.09:1 | AAA | Lc 100.7 | Preferred for body text |
| #1B310A 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
#E4EEDE
oklch(93.7% 0.024 133.5)
-
Step 200
200
#CDE0C2
oklch(88.4% 0.045 133.9)
-
Step 300
300
#ABCD98
oklch(81% 0.081 134.6)
-
Step 400
400
#7EB25C
oklch(70.7% 0.129 134.2)
-
Step 500
500
#5C9E24
oklch(63.1% 0.165 134.3)
-
Step 600
600
#488600
oklch(55.6% 0.16 134.1)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#274D01
oklch(37.7% 0.108 134.2)
-
Step 950
950 (this color)
#1B310A
oklch(28.5% 0.068 134.1)
#1B310A 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) | #332C06 | 0.040 |
| Deuteranopia (no green cones) | #302B0D | 0.040 |
| Tritanopia (no blue cones) | #1B2F29 | 0.049 |
| Achromatopsia (no color) | #2B2B2B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B310A
#1B310A
oklch(28.5% 0.068 134.1)
- #361E41
#361E41
oklch(28.4% 0.069 314.4)
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 #1B310A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.027
- Pakistan Green #283618 ΔE 0.031
- Dark Forest Green #002D04 ΔE 0.033
- Hunter Green #0B4008 ΔE 0.053
- Dark Olive #373E02 ΔE 0.065
- Forrest Green #154406 ΔE 0.067
- Evergreen #05472A ΔE 0.074
- Racing Green #014600 ΔE 0.075
Use #1B310A 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.