#031E13
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.04 163.4), rgb(3, 30, 19).
Aa
White text reads best on this color (17.51:1).
About this color
#031E13 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.053 away. White text reads best on it, at 17.51:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.51:1 |
Values
| HEX | #031E13 |
| RGB | rgb(3, 30, 19) |
| HSL | hsl(156, 82%, 6%) |
| OKLCH | oklch(21% 0.04 163.4) |
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 #031E13 | 17.51:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #031E13 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #031E13 text on white | 17.51:1 | AAA | Lc 104.2 | Preferred for body text |
| #031E13 text on black | 1.19:1 | 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
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A5CBB8
oklch(80.9% 0.048 163.5)
-
Step 400
400
#73B093
oklch(70.7% 0.077 163.1)
-
Step 500
500
#499C79
oklch(63.1% 0.098 163.6)
-
Step 600
600
#248662
oklch(55.5% 0.106 163.9)
-
Step 700
700
#147251
oklch(49.2% 0.099 163.6)
-
Step 800
800
#165D42
oklch(42.8% 0.082 163.1)
-
Step 900
900
#1B4C38
oklch(37.7% 0.064 163.5)
-
Step 950
950 (this color)
#031E13
oklch(21% 0.04 163.4)
#031E13 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) | #1D1B12 | 0.039 |
| Deuteranopia (no green cones) | #1A1814 | 0.040 |
| Tritanopia (no blue cones) | #001E1B | 0.015 |
| Achromatopsia (no color) | #191919 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031E13
#031E13
oklch(21% 0.04 163.4)
- #25101D
#25101D
oklch(21% 0.041 343.3)
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 #031E13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.053
- Rich Navy #001219 ΔE 0.055
- Jet #212529 ΔE 0.066
- Almost Black #070D0D ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.067
- Dark #1B2431 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.071
- Dark Brown #341C02 ΔE 0.084
Use #031E13 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.