#03180D
Closest named color: Rich Navy (#001219). oklch(18.7% 0.037 159), rgb(3, 24, 13).
Aa
White text reads best on this color (18.41:1).
About this color
#03180D is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.037 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.040 away. White text reads best on it, at 18.41:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.41:1 |
Values
| HEX | #03180D |
| RGB | rgb(3, 24, 13) |
| HSL | hsl(149, 78%, 5%) |
| OKLCH | oklch(18.7% 0.037 159) |
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 #03180D | 18.41:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #03180D | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #03180D text on white | 18.41:1 | AAA | Lc 104.9 | Preferred for body text |
| #03180D text on black | 1.14:1 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED3
oklch(88.4% 0.024 159.1)
-
Step 300
300
#AACAB7
oklch(81% 0.043 159.2)
-
Step 400
400
#7BAE91
oklch(70.6% 0.069 159.1)
-
Step 500
500
#569A76
oklch(63.1% 0.089 159.3)
-
Step 600
600
#38845E
oklch(55.5% 0.097 159)
-
Step 700
700
#2A704E
oklch(49.1% 0.09 159.2)
-
Step 800
800
#245B40
oklch(42.6% 0.074 159.4)
-
Step 900
900
#234B36
oklch(37.7% 0.059 158.9)
-
Step 950
950 (this color)
#03180D
oklch(18.7% 0.037 159)
#03180D 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) | #18150C | 0.035 |
| Deuteranopia (no green cones) | #15130E | 0.035 |
| Tritanopia (no blue cones) | #001815 | 0.016 |
| Achromatopsia (no color) | #141414 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03180D
#03180D
oklch(18.7% 0.037 159)
- #1E0C19
#1E0C19
oklch(18.8% 0.038 338.3)
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 #03180D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.040
- Almost Black #070D0D ΔE 0.045
- Rich Black #0D1B2A ΔE 0.060
- Jet #212529 ΔE 0.084
- Dark Forest Green #002D04 ΔE 0.086
- Dark #1B2431 ΔE 0.086
- Very Dark Brown #1D0200 ΔE 0.088
- Very Dark Green #062E03 ΔE 0.091
Use #03180D 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.