#170628
Closest named color: Midnight Purple (#280137). oklch(17.5% 0.068 303.4), rgb(23, 6, 40).
Aa
White text reads best on this color (19.21:1).
About this color
#170628 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.068 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.050 away. White text reads best on it, at 19.21:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.09:1 |
| White text | 19.21:1 |
Values
| HEX | #170628 |
| RGB | rgb(23, 6, 40) |
| HSL | hsl(270, 74%, 9%) |
| OKLCH | oklch(17.5% 0.068 303.4) |
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 #170628 | 19.21:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170628 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #170628 text on white | 19.21:1 | AAA | Lc 105.3 | Preferred for body text |
| #170628 text on black | 1.09:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD3F2
oklch(88.6% 0.044 303.1)
-
Step 300
300
#CBB4EC
oklch(80.8% 0.081 303.4)
-
Step 400
400
#B18CE2
oklch(70.8% 0.128 303.1)
-
Step 500
500
#9F6CD9
oklch(63.1% 0.164 303.7)
-
Step 600
600
#8A51C7
oklch(55.6% 0.179 303.3)
-
Step 700
700
#7541AC
oklch(49.1% 0.166 303.2)
-
Step 800
800
#5F368B
oklch(42.6% 0.137 303.3)
-
Step 900
900
#4E306F
oklch(37.7% 0.107 303.7)
-
Step 950
950 (this color)
#170628
oklch(17.5% 0.068 303.4)
#170628 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) | #000E29 | 0.051 |
| Deuteranopia (no green cones) | #000F27 | 0.052 |
| Tritanopia (no blue cones) | #140D15 | 0.049 |
| Achromatopsia (no color) | #0F0F0F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170628
#170628
oklch(17.5% 0.068 303.4)
- #0D1300
#0D1300
oklch(17.4% 0.043 122.6)
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 #170628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.052
- Midnight #03012D ΔE 0.058
- Dark Navy #000435 ΔE 0.063
- Dark Navy Blue #00022E ΔE 0.065
- Very Dark Blue #000133 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.069
- Rich Navy #001219 ΔE 0.070
Use #170628 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.