#170A31
Closest named color: Midnight Purple (#280137). oklch(19.2% 0.073 293.6), rgb(23, 10, 49).
Aa
White text reads best on this color (18.67:1).
About this color
#170A31 is a very dark, moderately saturated purple. In OKLCH its lightness is 19%, its chroma 0.073 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 0.045 away. White text reads best on it, at 18.67:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.12:1 |
| White text | 18.67:1 |
Values
| HEX | #170A31 |
| RGB | rgb(23, 10, 49) |
| HSL | hsl(260, 66%, 12%) |
| OKLCH | oklch(19.2% 0.073 293.6) |
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 #170A31 | 18.67:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #170A31 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #170A31 text on white | 18.67:1 | AAA | Lc 105.0 | Preferred for body text |
| #170A31 text on black | 1.12:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F7
oklch(88.6% 0.048 293.3)
-
Step 300
300
#C3B6F4
oklch(80.9% 0.087 294)
-
Step 400
400
#A58EEE
oklch(70.6% 0.139 293.6)
-
Step 500
500
#916FE9
oklch(63.2% 0.177 293.5)
-
Step 600
600
#7C53D7
oklch(55.6% 0.193 293.4)
-
Step 700
700
#6942BA
oklch(49% 0.18 293.6)
-
Step 800
800
#563897
oklch(42.8% 0.148 293.7)
-
Step 900
900
#463178
oklch(37.6% 0.116 293.7)
-
Step 950
950 (this color)
#170A31
oklch(19.2% 0.073 293.6)
#170A31 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) | #001332 | 0.045 |
| Deuteranopia (no green cones) | #001230 | 0.045 |
| Tritanopia (no blue cones) | #10131C | 0.056 |
| Achromatopsia (no color) | #121212 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170A31
#170A31
oklch(19.2% 0.073 293.6)
- #141600
#141600
oklch(19.1% 0.043 114)
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 #170A31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.045
- Very Dark Purple #2A0134 ΔE 0.049
- Navy Blue #001146 ΔE 0.058
- Dark Navy #000435 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.059
- Midnight #03012D ΔE 0.061
- Night Blue #040348 ΔE 0.063
- Dark Navy Blue #00022E ΔE 0.066
Use #170A31 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.