#031A0B
Closest named color: Rich Navy (#001219). oklch(19.4% 0.043 153.3), rgb(3, 26, 11).
Aa
White text reads best on this color (18.15:1).
About this color
#031A0B is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.043 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 18.15:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.15:1 |
Values
| HEX | #031A0B |
| RGB | rgb(3, 26, 11) |
| HSL | hsl(141, 79%, 6%) |
| OKLCH | oklch(19.4% 0.043 153.3) |
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 #031A0B | 18.15:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #031A0B | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #031A0B text on white | 18.15:1 | AAA | Lc 104.7 | Preferred for body text |
| #031A0B text on black | 1.15:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A8CBB1
oklch(80.9% 0.052 153)
-
Step 400
400
#78B089
oklch(70.7% 0.082 153.5)
-
Step 500
500
#539C6B
oklch(63.2% 0.105 153)
-
Step 600
600
#338653
oklch(55.6% 0.113 153.4)
-
Step 700
700
#257243
oklch(49.2% 0.106 153)
-
Step 800
800
#215C38
oklch(42.6% 0.086 153.7)
-
Step 900
900
#214C30
oklch(37.7% 0.068 153.2)
-
Step 950
950 (this color)
#031A0B
oklch(19.4% 0.043 153.3)
#031A0B 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) | #1A170A | 0.037 |
| Deuteranopia (no green cones) | #17150C | 0.036 |
| Tritanopia (no blue cones) | #001A16 | 0.021 |
| Achromatopsia (no color) | #161616 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031A0B
#031A0B
oklch(19.4% 0.043 153.3)
- #200D1D
#200D1D
oklch(19.5% 0.042 333.2)
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 #031A0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.050
- Almost Black #070D0D ΔE 0.055
- Rich Black #0D1B2A ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.081
- Jet #212529 ΔE 0.082
- Dark #1B2431 ΔE 0.086
- Dark Brown #341C02 ΔE 0.091
Use #031A0B 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.