#031505
Closest named color: Almost Black (#070D0D). oklch(17.4% 0.043 146.5), rgb(3, 21, 5).
Aa
White text reads best on this color (18.86:1).
About this color
#031505 is a very dark, muted green. In OKLCH its lightness is 17%, its chroma 0.043 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 0.043 away. White text reads best on it, at 18.86:1.
| Hue family | Greens |
| Lightness | very dark (17%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.86:1 |
Values
| HEX | #031505 |
| RGB | rgb(3, 21, 5) |
| HSL | hsl(127, 75%, 5%) |
| OKLCH | oklch(17.4% 0.043 146.5) |
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 #031505 | 18.86:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #031505 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #031505 text on white | 18.86:1 | AAA | Lc 105.2 | Preferred for body text |
| #031505 text on black | 1.11:1 | 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
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDECE
oklch(88.4% 0.028 145.3)
-
Step 300
300
#ACCAAE
oklch(80.9% 0.051 146.9)
-
Step 400
400
#7FAF83
oklch(70.8% 0.082 146.8)
-
Step 500
500
#5D9A63
oklch(63% 0.103 146.5)
-
Step 600
600
#42854A
oklch(55.7% 0.113 146.4)
-
Step 700
700
#33703B
oklch(49% 0.104 146.5)
-
Step 800
800
#2B5B31
oklch(42.6% 0.086 146.5)
-
Step 900
900
#284B2B
oklch(37.7% 0.068 146)
-
Step 950
950 (this color)
#031505
oklch(17.4% 0.043 146.5)
#031505 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) | #151204 | 0.033 |
| Deuteranopia (no green cones) | #131006 | 0.034 |
| Tritanopia (no blue cones) | #011411 | 0.026 |
| Achromatopsia (no color) | #111111 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031505
#031505
oklch(17.4% 0.043 146.5)
- #1A091A
#1A091A
oklch(17.5% 0.042 327.2)
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 #031505, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.043
- Rich Navy #001219 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.076
- Very Dark Brown #1D0200 ΔE 0.084
- Dark Forest Green #002D04 ΔE 0.093
- Very Dark Green #062E03 ΔE 0.098
- Jet #212529 ΔE 0.099
- Dark Brown #341C02 ΔE 0.102
Use #031505 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.