#170924
Closest named color: Midnight Purple (#280137). oklch(17.8% 0.055 305.4), rgb(23, 9, 36).
Aa
White text reads best on this color (19.07:1).
About this color
#170924 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.055 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.057 away. White text reads best on it, at 19.07:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.10:1 |
| White text | 19.07:1 |
Values
| HEX | #170924 |
| RGB | rgb(23, 9, 36) |
| HSL | hsl(271, 60%, 9%) |
| OKLCH | oklch(17.8% 0.055 305.4) |
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 #170924 | 19.07:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170924 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170924 text on white | 19.07:1 | AAA | Lc 105.3 | Preferred for body text |
| #170924 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4ED
oklch(88.6% 0.036 305.5)
-
Step 300
300
#CAB6E3
oklch(80.8% 0.066 305.1)
-
Step 400
400
#B090D5
oklch(70.8% 0.104 305.1)
-
Step 500
500
#9D72C9
oklch(63% 0.134 305.7)
-
Step 600
600
#8859B6
oklch(55.6% 0.145 305.5)
-
Step 700
700
#73499D
oklch(49.1% 0.135 305.1)
-
Step 800
800
#5E3C7F
oklch(42.7% 0.112 305.6)
-
Step 900
900
#4D3466
oklch(37.7% 0.087 305.7)
-
Step 950
950 (this color)
#170924
oklch(17.8% 0.055 305.4)
#170924 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) | #020F25 | 0.044 |
| Deuteranopia (no green cones) | #051023 | 0.040 |
| Tritanopia (no blue cones) | #150E15 | 0.039 |
| Achromatopsia (no color) | #101010 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170924
#170924
oklch(17.8% 0.055 305.4)
- #0C1400
#0C1400
oklch(17.7% 0.045 125.7)
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 #170924, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.060
- Rich Navy #001219 ΔE 0.061
- Midnight #03012D ΔE 0.064
- Almost Black #070D0D ΔE 0.064
- Dark Navy #000435 ΔE 0.068
- Dark Navy Blue #00022E ΔE 0.070
Use #170924 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.