#180724
Closest named color: Midnight Purple (#280137). oklch(17.5% 0.06 308.7), rgb(24, 7, 36).
Aa
White text reads best on this color (19.18:1).
About this color
#180724 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.060 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.054 away. White text reads best on it, at 19.18:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.09:1 |
| White text | 19.18:1 |
Values
| HEX | #180724 |
| RGB | rgb(24, 7, 36) |
| HSL | hsl(275, 67%, 8%) |
| OKLCH | oklch(17.5% 0.06 308.7) |
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 #180724 | 19.18:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #180724 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #180724 text on white | 19.18:1 | AAA | Lc 105.4 | Preferred for body text |
| #180724 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E1D3EE
oklch(88.6% 0.039 308.7)
-
Step 300
300
#CEB5E4
oklch(81% 0.07 308.9)
-
Step 400
400
#B58DD7
oklch(70.8% 0.113 308.5)
-
Step 500
500
#A36ECC
oklch(63.1% 0.146 308.8)
-
Step 600
600
#8E54B8
oklch(55.6% 0.158 308.9)
-
Step 700
700
#79449F
oklch(49.2% 0.147 308.9)
-
Step 800
800
#623981
oklch(42.8% 0.121 308.4)
-
Step 900
900
#503167
oklch(37.6% 0.095 309)
-
Step 950
950 (this color)
#180724
oklch(17.5% 0.06 308.7)
#180724 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 | 0.053 |
| Deuteranopia (no green cones) | #040F23 | 0.046 |
| Tritanopia (no blue cones) | #160D14 | 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°).
- #180724
#180724
oklch(17.5% 0.06 308.7)
- #0A1400
#0A1400
oklch(17.5% 0.046 128.8)
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 #180724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.054
- Midnight #03012D ΔE 0.064
- Rich Navy #001219 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.066
- Almost Black #070D0D ΔE 0.068
- Dark Navy #000435 ΔE 0.069
- Dark Navy Blue #00022E ΔE 0.071
Use #180724 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.