#031C12
Closest named color: Rich Navy (#001219). oklch(20.3% 0.038 164.3), rgb(3, 28, 18).
Aa
White text reads best on this color (17.81:1).
About this color
#031C12 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.038 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.048 away. White text reads best on it, at 17.81:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.17:1 |
| White text | 17.81:1 |
Values
| HEX | #031C12 |
| RGB | rgb(3, 28, 18) |
| HSL | hsl(156, 81%, 6%) |
| OKLCH | oklch(20.3% 0.038 164.3) |
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 #031C12 | 17.81:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #031C12 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #031C12 text on white | 17.81:1 | AAA | Lc 104.5 | Preferred for body text |
| #031C12 text on black | 1.17:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#75AF95
oklch(70.6% 0.072 164.7)
-
Step 500
500
#4E9B7B
oklch(63.1% 0.092 164.5)
-
Step 600
600
#2B8664
oklch(55.7% 0.101 164.4)
-
Step 700
700
#1C7153
oklch(49.1% 0.093 164.7)
-
Step 800
800
#1B5C44
oklch(42.7% 0.077 164.7)
-
Step 900
900
#1E4C39
oklch(37.8% 0.061 163.8)
-
Step 950
950 (this color)
#031C12
oklch(20.3% 0.038 164.3)
#031C12 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) | #1B1911 | 0.037 |
| Deuteranopia (no green cones) | #181713 | 0.036 |
| Tritanopia (no blue cones) | #001C19 | 0.014 |
| Achromatopsia (no color) | #181818 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031C12
#031C12
oklch(20.3% 0.038 164.3)
- #230F1B
#230F1B
oklch(20.3% 0.039 344.3)
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 #031C12, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.053
- Almost Black #070D0D ΔE 0.059
- Jet #212529 ΔE 0.071
- Dark #1B2431 ΔE 0.073
- Dark Forest Green #002D04 ΔE 0.074
- Very Dark Green #062E03 ΔE 0.078
- Dark Brown #341C02 ΔE 0.087
Use #031C12 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.