#031305
Closest named color: Almost Black (#070D0D). oklch(16.6% 0.039 147.2), rgb(3, 19, 5).
Aa
White text reads best on this color (19.10:1).
About this color
#031305 is a very dark, muted green. In OKLCH its lightness is 17%, its chroma 0.039 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.10:1.
| Hue family | Greens |
| Lightness | very dark (17%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.10:1 |
Values
| HEX | #031305 |
| RGB | rgb(3, 19, 5) |
| HSL | hsl(128, 73%, 4%) |
| OKLCH | oklch(16.6% 0.039 147.2) |
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 #031305 | 19.10:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #031305 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #031305 text on white | 19.10:1 | AAA | Lc 105.4 | Preferred for body text |
| #031305 text on black | 1.09:1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AEC9B0
oklch(80.9% 0.045 147.2)
-
Step 400
400
#82AE86
oklch(70.8% 0.075 147.1)
-
Step 500
500
#619968
oklch(63.1% 0.094 147.4)
-
Step 600
600
#46834F
oklch(55.5% 0.102 147.4)
-
Step 700
700
#376F40
oklch(49% 0.095 147.5)
-
Step 800
800
#2F5B35
oklch(42.9% 0.079 147.1)
-
Step 900
900
#2A4A2E
oklch(37.6% 0.061 147.2)
-
Step 950
950 (this color)
#031305
oklch(16.6% 0.039 147.2)
#031305 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) | #131004 | 0.030 |
| Deuteranopia (no green cones) | #110F06 | 0.030 |
| Tritanopia (no blue cones) | #01120F | 0.023 |
| Achromatopsia (no color) | #0F0F0F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031305
#031305
oklch(16.6% 0.039 147.2)
- #170817
#170817
oklch(16.6% 0.038 327.1)
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 #031305, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.036
- Rich Navy #001219 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.079
- Dark Forest Green #002D04 ΔE 0.102
- Jet #212529 ΔE 0.104
- Very Dark Green #062E03 ΔE 0.107
- Dark #1B2431 ΔE 0.107
Use #031305 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.