#18040F
Closest named color: Very Dark Brown (#1D0200). oklch(15.2% 0.043 347.4), rgb(24, 4, 15).
Aa
White text reads best on this color (19.75:1).
About this color
#18040F is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.043 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.040 away. White text reads best on it, at 19.75:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.75:1 |
Values
| HEX | #18040F |
| RGB | rgb(24, 4, 15) |
| HSL | hsl(327, 71%, 5%) |
| OKLCH | oklch(15.2% 0.043 347.4) |
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 #18040F | 19.75:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #18040F | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #18040F text on white | 19.75:1 | AAA | Lc 105.7 | Preferred for body text |
| #18040F text on black | 1.06:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E8D2DD
oklch(88.5% 0.028 346)
-
Step 300
300
#DBB4C7
oklch(81% 0.051 347.4)
-
Step 400
400
#C78CAA
oklch(70.7% 0.082 347.5)
-
Step 500
500
#B86E95
oklch(63.1% 0.106 347.7)
-
Step 600
600
#A35580
oklch(55.6% 0.115 347.3)
-
Step 700
700
#8B456C
oklch(49.1% 0.107 347.2)
-
Step 800
800
#713958
oklch(42.6% 0.088 347.1)
-
Step 900
900
#5C3248
oklch(37.8% 0.068 348.2)
-
Step 950
950 (this color)
#18040F
oklch(15.2% 0.043 347.4)
#18040F 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) | #06080F | 0.046 |
| Deuteranopia (no green cones) | #0B0C0E | 0.043 |
| Tritanopia (no blue cones) | #1A0408 | 0.016 |
| Achromatopsia (no color) | #0A0A0A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18040F
#18040F
oklch(15.2% 0.043 347.4)
- #001009
#001009
oklch(15.4% 0.032 166.9)
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 #18040F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.040
- Almost Black #070D0D ΔE 0.052
- Rich Navy #001219 ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.086
- Rich Black #0D1B2A ΔE 0.088
- Midnight #03012D ΔE 0.089
- Midnight Purple #280137 ΔE 0.089
- Dark Maroon #3C0008 ΔE 0.094
Use #18040F 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.