#1B0209
Closest named color: Very Dark Brown (#1D0200). oklch(15% 0.051 3.3), rgb(27, 2, 9).
Aa
White text reads best on this color (19.82:1).
About this color
#1B0209 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.051 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.028 away. White text reads best on it, at 19.82:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.82:1 |
Values
| HEX | #1B0209 |
| RGB | rgb(27, 2, 9) |
| HSL | hsl(343, 86%, 6%) |
| OKLCH | oklch(15% 0.051 3.3) |
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 #1B0209 | 19.82:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0209 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #1B0209 text on white | 19.82:1 | AAA | Lc 105.6 | Preferred for body text |
| #1B0209 text on black | 1.05:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F5E5E8
oklch(93.5% 0.018 4.5)
-
Step 200
200
#EDD1D7
oklch(88.6% 0.032 3.2)
-
Step 300
300
#E3B1BC
oklch(80.9% 0.06 3.8)
-
Step 400
400
#D3879A
oklch(70.7% 0.096 3.6)
-
Step 500
500
#C56782
oklch(63% 0.123 2.9)
-
Step 600
600
#B04D6B
oklch(55.5% 0.132 3.4)
-
Step 700
700
#973D59
oklch(49% 0.124 3.4)
-
Step 800
800
#7B3349
oklch(42.7% 0.103 3.3)
-
Step 900
900
#632E3D
oklch(37.7% 0.078 3.6)
-
Step 950
950 (this color)
#1B0209
oklch(15% 0.051 3.3)
#1B0209 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) | #060709 | 0.056 |
| Deuteranopia (no green cones) | #0D0C08 | 0.052 |
| Tritanopia (no blue cones) | #1E0004 | 0.015 |
| Achromatopsia (no color) | #0A0A0A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0209
#1B0209
oklch(15% 0.051 3.3)
- #000F0C
#000F0C
oklch(15.1% 0.027 181.1)
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 #1B0209, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.028
- Almost Black #070D0D ΔE 0.060
- Rich Navy #001219 ΔE 0.080
- Dark Maroon #3C0008 ΔE 0.087
- Very Dark Purple #2A0134 ΔE 0.094
- Midnight Purple #280137 ΔE 0.098
- Rich Black #0D1B2A ΔE 0.099
- Deep Brown #410200 ΔE 0.103
Use #1B0209 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.