#240D42
Closest named color: Midnight Purple (#280137). oklch(23% 0.094 298.5), rgb(36, 13, 66).
Aa
White text reads best on this color (17.33:1).
About this color
#240D42 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.094 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.035 away. White text reads best on it, at 17.33:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.21:1 |
| White text | 17.33:1 |
Values
| HEX | #240D42 |
| RGB | rgb(36, 13, 66) |
| HSL | hsl(266, 67%, 15%) |
| OKLCH | oklch(23% 0.094 298.5) |
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 #240D42 | 17.33:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #240D42 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #240D42 text on white | 17.33:1 | AAA | Lc 103.8 | Preferred for body text |
| #240D42 text on black | 1.21:1 | 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
#F6F3FE
oklch(97% 0.015 298.6)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DED1FD
oklch(88.5% 0.061 298.7)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5DFD
oklch(63.2% 0.227 298.6)
-
Step 600
600
#8B39EC
oklch(55.5% 0.248 298.6)
-
Step 700
700
#7628CE
oklch(49.1% 0.231 298.3)
-
Step 800
800
#6025A6
oklch(42.7% 0.191 298.6)
-
Step 900
900
#4E2684
oklch(37.7% 0.149 298.4)
-
Step 950
950 (this color)
#240D42
oklch(23% 0.094 298.5)
#240D42 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) | #001A44 | 0.062 |
| Deuteranopia (no green cones) | #001A41 | 0.063 |
| Tritanopia (no blue cones) | #1D1A26 | 0.071 |
| Achromatopsia (no color) | #1A1A1A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240D42
#240D42
oklch(23% 0.094 298.5)
- #1B2000
#1B2000
oklch(23% 0.054 117.8)
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 #240D42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.035
- Dark Indigo #1F0954 ΔE 0.037
- Very Dark Purple #2A0134 ΔE 0.040
- Dark Purple #35063E ΔE 0.042
- Deep Purple #36013F ΔE 0.046
- Eggplant #380835 ΔE 0.055
- Navy Blue #001146 ΔE 0.064
- Aubergine #3D0734 ΔE 0.066
Use #240D42 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.