#170E1F
Closest named color: Rich Black (#0D1B2A). oklch(18.5% 0.036 307.6), rgb(23, 14, 31).
Aa
White text reads best on this color (18.76:1).
About this color
#170E1F is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.036 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.047 away. White text reads best on it, at 18.76:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.11:1 |
| White text | 18.76:1 |
Values
| HEX | #170E1F |
| RGB | rgb(23, 14, 31) |
| HSL | hsl(272, 38%, 9%) |
| OKLCH | oklch(18.5% 0.036 307.6) |
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 #170E1F | 18.76:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170E1F | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #170E1F text on white | 18.76:1 | AAA | Lc 105.2 | Preferred for body text |
| #170E1F text on black | 1.11:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8F0
oklch(93.6% 0.011 308.3)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C8BAD6
oklch(80.9% 0.042 307.9)
-
Step 400
400
#AC96C2
oklch(70.8% 0.067 307.4)
-
Step 500
500
#987BB3
oklch(63.1% 0.088 307.7)
-
Step 600
600
#82649E
oklch(55.6% 0.094 307.3)
-
Step 700
700
#6E5287
oklch(49% 0.088 307.7)
-
Step 800
800
#5A446E
oklch(42.8% 0.073 307.6)
-
Step 900
900
#4A3959
oklch(37.7% 0.057 308.2)
-
Step 950
950 (this color)
#170E1F
oklch(18.5% 0.036 307.6)
#170E1F 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) | #0A1120 | 0.026 |
| Deuteranopia (no green cones) | #0C121F | 0.025 |
| Tritanopia (no blue cones) | #161114 | 0.028 |
| Achromatopsia (no color) | #121212 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E1F
#170E1F
oklch(18.5% 0.036 307.6)
- #0E1604
#0E1604
oklch(18.6% 0.037 128.2)
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 #170E1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.047
- Rich Navy #001219 ΔE 0.048
- Almost Black #070D0D ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.072
- Midnight #03012D ΔE 0.076
- Dark Navy #000435 ΔE 0.078
Use #170E1F 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.