#041E18
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.035 175.3), rgb(4, 30, 24).
Aa
White text reads best on this color (17.44:1).
About this color
#041E18 is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.035 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.044 away. White text reads best on it, at 17.44:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.44:1 |
Values
| HEX | #041E18 |
| RGB | rgb(4, 30, 24) |
| HSL | hsl(166, 76%, 7%) |
| OKLCH | oklch(21.3% 0.035 175.3) |
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 #041E18 | 17.44:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #041E18 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #041E18 text on white | 17.44:1 | AAA | Lc 104.2 | Preferred for body text |
| #041E18 text on black | 1.20:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A6CABF
oklch(81% 0.041 174.7)
-
Step 400
400
#74AE9E
oklch(70.6% 0.065 175.1)
-
Step 500
500
#4B9A87
oklch(63.1% 0.084 175.7)
-
Step 600
600
#288570
oklch(55.7% 0.092 174.5)
-
Step 700
700
#18705E
oklch(49.1% 0.085 175.3)
-
Step 800
800
#185B4D
oklch(42.6% 0.07 175.8)
-
Step 900
900
#1C4B40
oklch(37.7% 0.055 175.4)
-
Step 950
950 (this color)
#041E18
oklch(21.3% 0.035 175.3)
#041E18 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) | #1D1B18 | 0.038 |
| Deuteranopia (no green cones) | #191918 | 0.034 |
| Tritanopia (no blue cones) | #001E1C | 0.009 |
| Achromatopsia (no color) | #1A1A1A | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041E18
#041E18
oklch(21.3% 0.035 175.3)
- #25121A
#25121A
oklch(21.2% 0.034 353.6)
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 #041E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.044
- Rich Navy #001219 ΔE 0.051
- Jet #212529 ΔE 0.060
- Dark #1B2431 ΔE 0.061
- Almost Black #070D0D ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.072
- Very Dark Green #062E03 ΔE 0.076
- Oxford Blue #1B263B ΔE 0.078
Use #041E18 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.