#03170A
Closest named color: Rich Navy (#001219). oklch(18.3% 0.039 154.2), rgb(3, 23, 10).
Aa
White text reads best on this color (18.57:1).
About this color
#03170A is a very dark, muted green. In OKLCH its lightness is 18%, its chroma 0.039 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.042 away. White text reads best on it, at 18.57:1.
| Hue family | Greens |
| Lightness | very dark (18%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.57:1 |
Values
| HEX | #03170A |
| RGB | rgb(3, 23, 10) |
| HSL | hsl(141, 77%, 5%) |
| OKLCH | oklch(18.3% 0.039 154.2) |
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 #03170A | 18.57:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #03170A | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #03170A text on white | 18.57:1 | AAA | Lc 105.0 | Preferred for body text |
| #03170A text on black | 1.13:1 | 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
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABCAB3
oklch(81% 0.046 153.2)
-
Step 400
400
#7CAE8C
oklch(70.6% 0.073 154.4)
-
Step 500
500
#599A6F
oklch(63.1% 0.094 153.9)
-
Step 600
600
#3C8557
oklch(55.7% 0.103 153.7)
-
Step 700
700
#2D7047
oklch(49% 0.095 153.9)
-
Step 800
800
#275B3B
oklch(42.6% 0.078 154.3)
-
Step 900
900
#254B33
oklch(37.7% 0.06 154.6)
-
Step 950
950 (this color)
#03170A
oklch(18.3% 0.039 154.2)
#03170A 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) | #171409 | 0.034 |
| Deuteranopia (no green cones) | #14120B | 0.034 |
| Tritanopia (no blue cones) | #001714 | 0.019 |
| Achromatopsia (no color) | #131313 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03170A
#03170A
oklch(18.3% 0.039 154.2)
- #1C0B19
#1C0B19
oklch(18.2% 0.038 333.9)
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 #03170A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.042
- Almost Black #070D0D ΔE 0.044
- Rich Black #0D1B2A ΔE 0.066
- Very Dark Brown #1D0200 ΔE 0.086
- Dark Forest Green #002D04 ΔE 0.088
- Jet #212529 ΔE 0.089
- Dark #1B2431 ΔE 0.092
- Very Dark Green #062E03 ΔE 0.093
Use #03170A 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.