#170724
Closest named color: Midnight Purple (#280137). oklch(17.3% 0.06 306.8), rgb(23, 7, 36).
Aa
White text reads best on this color (19.22:1).
About this color
#170724 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.060 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.055 away. White text reads best on it, at 19.22:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.09:1 |
| White text | 19.22:1 |
Values
| HEX | #170724 |
| RGB | rgb(23, 7, 36) |
| HSL | hsl(273, 67%, 8%) |
| OKLCH | oklch(17.3% 0.06 306.8) |
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 #170724 | 19.22:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #170724 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #170724 text on white | 19.22:1 | AAA | Lc 105.4 | Preferred for body text |
| #170724 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CCB5E5
oklch(80.8% 0.071 306.6)
-
Step 400
400
#B38DD8
oklch(70.7% 0.114 306.9)
-
Step 500
500
#A06FCD
oklch(63% 0.145 306.8)
-
Step 600
600
#8B55BA
oklch(55.5% 0.158 306.7)
-
Step 700
700
#7645A0
oklch(49% 0.146 306.7)
-
Step 800
800
#603982
oklch(42.6% 0.122 306.6)
-
Step 900
900
#4F3268
oklch(37.7% 0.094 307.3)
-
Step 950
950 (this color)
#170724
oklch(17.3% 0.06 306.8)
#170724 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) | #000E25 | 0.051 |
| Deuteranopia (no green cones) | #030F23 | 0.046 |
| Tritanopia (no blue cones) | #150D14 | 0.043 |
| Achromatopsia (no color) | #0F0F0F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170724
#170724
oklch(17.3% 0.06 306.8)
- #0B1300
#0B1300
oklch(17.2% 0.044 126.1)
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 #170724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.056
- Midnight #03012D ΔE 0.062
- Rich Navy #001219 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.066
- Dark Navy #000435 ΔE 0.067
- Almost Black #070D0D ΔE 0.067
- Dark Navy Blue #00022E ΔE 0.068
Use #170724 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.