#170D2E
Closest named color: Midnight Purple (#280137). oklch(19.5% 0.063 293.6), rgb(23, 13, 46).
Aa
White text reads best on this color (18.52:1).
About this color
#170D2E is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.063 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.049 away. White text reads best on it, at 18.52:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.13:1 |
| White text | 18.52:1 |
Values
| HEX | #170D2E |
| RGB | rgb(23, 13, 46) |
| HSL | hsl(258, 56%, 12%) |
| OKLCH | oklch(19.5% 0.063 293.6) |
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 #170D2E | 18.52:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #170D2E | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #170D2E text on white | 18.52:1 | AAA | Lc 105.0 | Preferred for body text |
| #170D2E text on black | 1.13:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C2B8ED
oklch(80.9% 0.075 293.3)
-
Step 400
400
#A491E4
oklch(70.6% 0.12 293.6)
-
Step 500
500
#8F74DC
oklch(63.1% 0.153 293.5)
-
Step 600
600
#7A5ACA
oklch(55.6% 0.167 293.4)
-
Step 700
700
#6749AF
oklch(49.1% 0.156 293.4)
-
Step 800
800
#543D8D
oklch(42.7% 0.127 293.5)
-
Step 900
900
#453571
oklch(37.8% 0.1 293.3)
-
Step 950
950 (this color)
#170D2E
oklch(19.5% 0.063 293.6)
#170D2E 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) | #00142F | 0.042 |
| Deuteranopia (no green cones) | #01132D | 0.041 |
| Tritanopia (no blue cones) | #11141B | 0.051 |
| Achromatopsia (no color) | #131313 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170D2E
#170D2E
oklch(19.5% 0.063 293.6)
- #151700
#151700
oklch(19.6% 0.044 113.9)
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 #170D2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.052
- Navy Blue #001146 ΔE 0.060
- Dark Navy #000435 ΔE 0.062
- Midnight #03012D ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Night Blue #040348 ΔE 0.069
Use #170D2E 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.