#1C0509
Closest named color: Very Dark Brown (#1D0200). oklch(16.1% 0.043 10.6), rgb(28, 5, 9).
Aa
White text reads best on this color (19.53:1).
About this color
#1C0509 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.043 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.025 away. White text reads best on it, at 19.53:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.53:1 |
Values
| HEX | #1C0509 |
| RGB | rgb(28, 5, 9) |
| HSL | hsl(350, 70%, 6%) |
| OKLCH | oklch(16.1% 0.043 10.6) |
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 #1C0509 | 19.53:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1C0509 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1C0509 text on white | 19.53:1 | AAA | Lc 105.5 | Preferred for body text |
| #1C0509 text on black | 1.07:1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#EBD2D5
oklch(88.5% 0.028 9.4)
-
Step 300
300
#DFB4B9
oklch(80.9% 0.05 10.4)
-
Step 400
400
#CD8C94
oklch(70.7% 0.08 11.2)
-
Step 500
500
#BF6E7A
oklch(63.1% 0.103 10.9)
-
Step 600
600
#AA5563
oklch(55.6% 0.112 11)
-
Step 700
700
#924552
oklch(49.2% 0.104 11.1)
-
Step 800
800
#763944
oklch(42.7% 0.086 10)
-
Step 900
900
#603139
oklch(37.6% 0.068 10.1)
-
Step 950
950 (this color)
#1C0509
oklch(16.1% 0.043 10.6)
#1C0509 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) | #090909 | 0.047 |
| Deuteranopia (no green cones) | #0F0E08 | 0.044 |
| Tritanopia (no blue cones) | #1F0306 | 0.010 |
| Achromatopsia (no color) | #0C0C0C | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C0509
#1C0509
oklch(16.1% 0.043 10.6)
- #001110
#001110
oklch(16% 0.028 190.4)
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 #1C0509, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.025
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.081
- Rich Black #0D1B2A ΔE 0.088
- Very Dark Purple #2A0134 ΔE 0.094
- Deep Brown #410200 ΔE 0.096
- Midnight Purple #280137 ΔE 0.098
Use #1C0509 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.