#100205
Closest named color: Very Dark Brown (#1D0200). oklch(12.2% 0.034 3.7), rgb(16, 2, 5).
Aa
White text reads best on this color (20.33:1).
About this color
#100205 is a very dark, muted red. In OKLCH its lightness is 12%, its chroma 0.034 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.042 away. White text reads best on it, at 20.33:1.
| Hue family | Reds |
| Lightness | very dark (12%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.03:1 |
| White text | 20.33:1 |
Values
| HEX | #100205 |
| RGB | rgb(16, 2, 5) |
| HSL | hsl(347, 78%, 4%) |
| OKLCH | oklch(12.2% 0.034 3.7) |
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 #100205 | 20.33:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #100205 | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #100205 text on white | 20.33:1 | AAA | Lc 105.9 | Preferred for body text |
| #100205 text on black | 1.03:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7E9
oklch(93.6% 0.011 3.5)
-
Step 200
200
#E7D3D7
oklch(88.4% 0.023 3.9)
-
Step 300
300
#D8B6BE
oklch(80.8% 0.04 2.2)
-
Step 400
400
#C4909C
oklch(70.7% 0.065 3.6)
-
Step 500
500
#B47484
oklch(63.1% 0.083 3.4)
-
Step 600
600
#9F5C6D
oklch(55.6% 0.09 4.1)
-
Step 700
700
#884C5B
oklch(49.2% 0.083 4.5)
-
Step 800
800
#6E3E4B
oklch(42.6% 0.069 3)
-
Step 900
900
#5A353E
oklch(37.7% 0.054 4.3)
-
Step 950
950 (this color)
#100205
oklch(12.2% 0.034 3.7)
#100205 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) | #040405 | 0.037 |
| Deuteranopia (no green cones) | #070605 | 0.033 |
| Tritanopia (no blue cones) | #120103 | 0.009 |
| Achromatopsia (no color) | #050505 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100205
#100205
oklch(12.2% 0.034 3.7)
- #000807
#000807
oklch(12.1% 0.021 187.4)
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 #100205, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.042
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.077
- Midnight #03012D ΔE 0.098
- Dark Navy Blue #00022E ΔE 0.103
- Rich Black #0D1B2A ΔE 0.111
- Very Dark Blue #000133 ΔE 0.112
- Dark Navy #000435 ΔE 0.113
Use #100205 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.