#1B0915
Closest named color: Very Dark Brown (#1D0200). oklch(17.4% 0.038 341.3), rgb(27, 9, 21).
Aa
White text reads best on this color (19.15:1).
About this color
#1B0915 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.038 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 19.15:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.15:1 |
Values
| HEX | #1B0915 |
| RGB | rgb(27, 9, 21) |
| HSL | hsl(320, 50%, 7%) |
| OKLCH | oklch(17.4% 0.038 341.3) |
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 #1B0915 | 19.15:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1B0915 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #1B0915 text on white | 19.15:1 | AAA | Lc 105.4 | Preferred for body text |
| #1B0915 text on black | 1.09:1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7EC
oklch(93.6% 0.012 342.6)
-
Step 200
200
#E5D3DE
oklch(88.5% 0.025 340.3)
-
Step 300
300
#D6B6C9
oklch(81% 0.045 341.7)
-
Step 400
400
#C08FAE
oklch(70.6% 0.072 340.8)
-
Step 500
500
#AF739A
oklch(63.1% 0.091 340.8)
-
Step 600
600
#9A5B84
oklch(55.6% 0.099 341.4)
-
Step 700
700
#844A70
oklch(49.1% 0.094 341.4)
-
Step 800
800
#6B3D5B
oklch(42.6% 0.077 341.3)
-
Step 900
900
#57354B
oklch(37.8% 0.059 341.1)
-
Step 950
950 (this color)
#1B0915
oklch(17.4% 0.038 341.3)
#1B0915 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) | #0A0D15 | 0.039 |
| Deuteranopia (no green cones) | #0F1015 | 0.035 |
| Tritanopia (no blue cones) | #1D090E | 0.016 |
| Achromatopsia (no color) | #0F0F0F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0915
#1B0915
oklch(17.4% 0.038 341.3)
- #00150B
#00150B
oklch(17.3% 0.038 162.5)
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 #1B0915, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.049
- Almost Black #070D0D ΔE 0.051
- Rich Navy #001219 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.075
- Midnight Purple #280137 ΔE 0.078
- Dark Maroon #3C0008 ΔE 0.083
- Midnight #03012D ΔE 0.089
Use #1B0915 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.