#1B0905
Closest named color: Very Dark Brown (#1D0200). oklch(16.7% 0.034 36.4), rgb(27, 9, 5).
Aa
White text reads best on this color (19.30:1).
About this color
#1B0905 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.034 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.026 away. White text reads best on it, at 19.30:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.30:1 |
Values
| HEX | #1B0905 |
| RGB | rgb(27, 9, 5) |
| HSL | hsl(11, 69%, 6%) |
| OKLCH | oklch(16.7% 0.034 36.4) |
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 #1B0905 | 19.30:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0905 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1B0905 text on white | 19.30:1 | AAA | Lc 105.5 | Preferred for body text |
| #1B0905 text on black | 1.08:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E7D4CF
oklch(88.4% 0.022 35.1)
-
Step 300
300
#D9B8AF
oklch(80.9% 0.04 35.7)
-
Step 400
400
#C59385
oklch(70.7% 0.064 36.2)
-
Step 500
500
#B57867
oklch(63.2% 0.081 36.3)
-
Step 600
600
#A0604E
oklch(55.6% 0.088 36.5)
-
Step 700
700
#894F3F
oklch(49.2% 0.083 36.3)
-
Step 800
800
#6F4134
oklch(42.7% 0.068 36.6)
-
Step 900
900
#5A372D
oklch(37.6% 0.053 36.7)
-
Step 950
950 (this color)
#1B0905
oklch(16.7% 0.034 36.4)
#1B0905 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) | #0E0C05 | 0.032 |
| Deuteranopia (no green cones) | #121005 | 0.031 |
| Tritanopia (no blue cones) | #1E0608 | 0.016 |
| Achromatopsia (no color) | #0E0E0E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0905
#1B0905
oklch(16.7% 0.034 36.4)
- #001217
#001217
oklch(16.8% 0.03 215.5)
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 #1B0905, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.026
- Almost Black #070D0D ΔE 0.046
- Rich Navy #001219 ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.083
- Rich Black #0D1B2A ΔE 0.083
- Dark Brown #341C02 ΔE 0.091
- Deep Brown #410200 ΔE 0.094
- Jet #212529 ΔE 0.104
Use #1B0905 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.