#04170A
Closest named color: Rich Navy (#001219). oklch(18.3% 0.038 152.9), rgb(4, 23, 10).
Aa
White text reads best on this color (18.54:1).
About this color
#04170A is a very dark, muted green. In OKLCH its lightness is 18%, its chroma 0.038 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 0.042 away. White text reads best on it, at 18.54:1.
| Hue family | Greens |
| Lightness | very dark (18%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.54:1 |
Values
| HEX | #04170A |
| RGB | rgb(4, 23, 10) |
| HSL | hsl(139, 70%, 5%) |
| OKLCH | oklch(18.3% 0.038 152.9) |
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 #04170A | 18.54:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #04170A | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #04170A text on white | 18.54:1 | AAA | Lc 105.0 | Preferred for body text |
| #04170A 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ACC9B3
oklch(80.8% 0.044 152.6)
-
Step 400
400
#7FAE8C
oklch(70.8% 0.071 153)
-
Step 500
500
#5C9A6F
oklch(63.2% 0.092 152.9)
-
Step 600
600
#408457
oklch(55.6% 0.099 152.9)
-
Step 700
700
#317047
oklch(49.2% 0.093 152.9)
-
Step 800
800
#2A5B3A
oklch(42.7% 0.077 152.5)
-
Step 900
900
#274B32
oklch(37.8% 0.06 152.5)
-
Step 950
950 (this color)
#04170A
oklch(18.3% 0.038 152.9)
#04170A 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 | 0.033 |
| Deuteranopia (no green cones) | #14120B | 0.033 |
| Tritanopia (no blue cones) | #011714 | 0.019 |
| Achromatopsia (no color) | #131313 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04170A
#04170A
oklch(18.3% 0.038 152.9)
- #1C0C19
#1C0C19
oklch(18.4% 0.036 334.1)
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 #04170A, 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 0.065
- Very Dark Brown #1D0200 ΔE 0.085
- Dark Forest Green #002D04 ΔE 0.088
- Jet #212529 ΔE 0.088
- Dark #1B2431 ΔE 0.091
- Very Dark Green #062E03 ΔE 0.093
Use #04170A 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.