#031A01
Closest named color: Almost Black (#070D0D). oklch(19.1% 0.059 140.9), rgb(3, 26, 1).
Aa
White text reads best on this color (18.22:1).
About this color
#031A01 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.059 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.067 away. White text reads best on it, at 18.22:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.15:1 |
| White text | 18.22:1 |
Values
| HEX | #031A01 |
| RGB | rgb(3, 26, 1) |
| HSL | hsl(115, 93%, 5%) |
| OKLCH | oklch(19.1% 0.059 140.9) |
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 #031A01 | 18.22:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #031A01 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #031A01 text on white | 18.22:1 | AAA | Lc 104.7 | Preferred for body text |
| #031A01 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C8
oklch(88.5% 0.039 140.5)
-
Step 300
300
#A8CCA2
oklch(80.8% 0.07 141.1)
-
Step 400
400
#79B26F
oklch(70.7% 0.112 140.8)
-
Step 500
500
#549E47
oklch(63.1% 0.143 140.8)
-
Step 600
600
#358826
oklch(55.5% 0.156 140.8)
-
Step 700
700
#277318
oklch(49% 0.144 140.8)
-
Step 800
800
#225E17
oklch(42.7% 0.12 140.8)
-
Step 900
900
#224D1A
oklch(37.7% 0.093 140.6)
-
Step 950
950 (this color)
#031A01
oklch(19.1% 0.059 140.9)
#031A01 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) | #1B1600 | 0.041 |
| Deuteranopia (no green cones) | #181402 | 0.041 |
| Tritanopia (no blue cones) | #011914 | 0.038 |
| Achromatopsia (no color) | #151515 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031A01
#031A01
oklch(19.1% 0.059 140.9)
- #1F0924
#1F0924
oklch(19% 0.059 319.9)
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 #031A01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.067
- Rich Navy #001219 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.071
- Very Dark Green #062E03 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.083
- Dark Brown #341C02 ΔE 0.094
- Jet #212529 ΔE 0.095
- Very Dark Brown #1D0200 ΔE 0.099
Use #031A01 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.