#1F0817
Closest named color: Very Dark Brown (#1D0200). oklch(18% 0.047 342.8), rgb(31, 8, 23).
Aa
White text reads best on this color (18.99:1).
About this color
#1F0817 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.047 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.053 away. White text reads best on it, at 18.99:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.99:1 |
Values
| HEX | #1F0817 |
| RGB | rgb(31, 8, 23) |
| HSL | hsl(321, 59%, 8%) |
| OKLCH | oklch(18% 0.047 342.8) |
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 #1F0817 | 18.99:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1F0817 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #1F0817 text on white | 18.99:1 | AAA | Lc 105.3 | Preferred for body text |
| #1F0817 text on black | 1.10:1 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F2E6ED
oklch(93.6% 0.016 341.4)
-
Step 200
200
#E9D2DE
oklch(88.6% 0.03 344.9)
-
Step 300
300
#DBB3CA
oklch(80.9% 0.055 342.9)
-
Step 400
400
#C88BAF
oklch(70.8% 0.088 343.4)
-
Step 500
500
#B86C9C
oklch(63% 0.114 342.4)
-
Step 600
600
#A35386
oklch(55.5% 0.123 342.9)
-
Step 700
700
#8C4372
oklch(49.1% 0.115 342.8)
-
Step 800
800
#71385D
oklch(42.7% 0.094 342.3)
-
Step 900
900
#5C314C
oklch(37.8% 0.073 342.8)
-
Step 950
950 (this color)
#1F0817
oklch(18% 0.047 342.8)
#1F0817 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) | #0A0E17 | 0.049 |
| Deuteranopia (no green cones) | #101216 | 0.046 |
| Tritanopia (no blue cones) | #21080E | 0.019 |
| Achromatopsia (no color) | #101010 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0817
#1F0817
oklch(18% 0.047 342.8)
- #00170C
#00170C
oklch(18.1% 0.04 161.6)
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 #1F0817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.053
- Almost Black #070D0D ΔE 0.062
- Very Dark Purple #2A0134 ΔE 0.066
- Rich Navy #001219 ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.076
- Eggplant #380835 ΔE 0.083
Use #1F0817 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.