#170828
Closest named color: Midnight Purple (#280137). oklch(17.9% 0.063 302), rgb(23, 8, 40).
Aa
White text reads best on this color (19.05:1).
About this color
#170828 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.063 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.051 away. White text reads best on it, at 19.05:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.10:1 |
| White text | 19.05:1 |
Values
| HEX | #170828 |
| RGB | rgb(23, 8, 40) |
| HSL | hsl(268, 67%, 9%) |
| OKLCH | oklch(17.9% 0.063 302) |
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 #170828 | 19.05:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170828 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170828 text on white | 19.05:1 | AAA | Lc 105.3 | Preferred for body text |
| #170828 text on black | 1.10:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#C9B6EA
oklch(81% 0.075 301.4)
-
Step 400
400
#AF8EDF
oklch(70.8% 0.12 302.2)
-
Step 500
500
#9B6FD6
oklch(63% 0.155 301.9)
-
Step 600
600
#8755C3
oklch(55.6% 0.167 302.2)
-
Step 700
700
#7245A8
oklch(49.1% 0.154 302)
-
Step 800
800
#5D3988
oklch(42.7% 0.128 302.3)
-
Step 900
900
#4C326D
oklch(37.7% 0.1 302.2)
-
Step 950
950 (this color)
#170828
oklch(17.9% 0.063 302)
#170828 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) | #001029 | 0.049 |
| Deuteranopia (no green cones) | #011027 | 0.048 |
| Tritanopia (no blue cones) | #140F16 | 0.048 |
| Achromatopsia (no color) | #101010 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170828
#170828
oklch(17.9% 0.063 302)
- #0E1400
#0E1400
oklch(17.8% 0.043 122.3)
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 #170828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.052
- Midnight #03012D ΔE 0.060
- Rich Black #0D1B2A ΔE 0.062
- Dark Navy #000435 ΔE 0.063
- Rich Navy #001219 ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.066
- Very Dark Blue #000133 ΔE 0.069
Use #170828 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.