#170B1C
Closest named color: Almost Black (#070D0D). oklch(17.6% 0.038 315.4), rgb(23, 11, 28).
Aa
White text reads best on this color (19.07:1).
About this color
#170B1C is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.038 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.050 away. White text reads best on it, at 19.07:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 19.07:1 |
Values
| HEX | #170B1C |
| RGB | rgb(23, 11, 28) |
| HSL | hsl(282, 44%, 8%) |
| OKLCH | oklch(17.6% 0.038 315.4) |
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 #170B1C | 19.07:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170B1C | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170B1C text on white | 19.07:1 | AAA | Lc 105.4 | Preferred for body text |
| #170B1C 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CCB8D5
oklch(80.8% 0.046 315.4)
-
Step 400
400
#B293C0
oklch(70.7% 0.073 315.2)
-
Step 500
500
#9F78B0
oklch(63.1% 0.093 315.3)
-
Step 600
600
#8A609B
oklch(55.6% 0.101 315.8)
-
Step 700
700
#754F85
oklch(49.1% 0.094 315.4)
-
Step 800
800
#5F416C
oklch(42.7% 0.078 315.2)
-
Step 900
900
#4E3757
oklch(37.6% 0.061 316.2)
-
Step 950
950 (this color)
#170B1C
oklch(17.6% 0.038 315.4)
#170B1C 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) | #080F1D | 0.032 |
| Deuteranopia (no green cones) | #0B101C | 0.029 |
| Tritanopia (no blue cones) | #170D12 | 0.024 |
| Achromatopsia (no color) | #101010 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170B1C
#170B1C
oklch(17.6% 0.038 315.4)
- #091404
#091404
oklch(17.5% 0.037 135.2)
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 #170B1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.070
- Midnight Purple #280137 ΔE 0.071
- Midnight #03012D ΔE 0.075
- Dark Navy #000435 ΔE 0.079
Use #170B1C 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.