#17031C
Closest named color: Very Dark Purple (#2A0134). oklch(15.7% 0.06 319.7), rgb(23, 3, 28).
Aa
White text reads best on this color (19.69:1).
About this color
#17031C is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.060 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.066 away. White text reads best on it, at 19.69:1.
| Hue family | Purples |
| Lightness | very dark (16%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.06:1 |
| White text | 19.69:1 |
Values
| HEX | #17031C |
| RGB | rgb(23, 3, 28) |
| HSL | hsl(288, 81%, 6%) |
| OKLCH | oklch(15.7% 0.06 319.7) |
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 #17031C | 19.69:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #17031C | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #17031C text on white | 19.69:1 | AAA | Lc 105.6 | Preferred for body text |
| #17031C text on black | 1.06:1 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EA
oklch(88.5% 0.04 319.5)
-
Step 300
300
#D5B2DE
oklch(80.8% 0.072 319.3)
-
Step 400
400
#C089CD
oklch(70.8% 0.114 319.8)
-
Step 500
500
#AF6AC0
oklch(63.2% 0.145 319.5)
-
Step 600
600
#9A4FAC
oklch(55.6% 0.158 319.6)
-
Step 700
700
#843F94
oklch(49.1% 0.148 319.8)
-
Step 800
800
#6B3578
oklch(42.7% 0.121 319.5)
-
Step 900
900
#572F61
oklch(37.8% 0.095 319.4)
-
Step 950
950 (this color)
#17031C
oklch(15.7% 0.06 319.7)
#17031C 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) | #00091D | 0.060 |
| Deuteranopia (no green cones) | #040C1B | 0.053 |
| Tritanopia (no blue cones) | #17060D | 0.038 |
| Achromatopsia (no color) | #0B0B0B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17031C
#17031C
oklch(15.7% 0.06 319.7)
- #021100
#021100
oklch(15.6% 0.049 139.2)
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 #17031C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.066
- Almost Black #070D0D ΔE 0.066
- Midnight Purple #280137 ΔE 0.067
- Midnight #03012D ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.069
- Rich Navy #001219 ΔE 0.072
- Dark Navy Blue #00022E ΔE 0.076
- Dark Navy #000435 ΔE 0.079
Use #17031C 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.