#240B3A
Closest named color: Midnight Purple (#280137). oklch(22% 0.087 304.5), rgb(36, 11, 58).
Aa
White text reads best on this color (17.73:1).
About this color
#240B3A is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.087 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.024 away. White text reads best on it, at 17.73:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.18:1 |
| White text | 17.73:1 |
Values
| HEX | #240B3A |
| RGB | rgb(36, 11, 58) |
| HSL | hsl(272, 68%, 14%) |
| OKLCH | oklch(22% 0.087 304.5) |
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 #240B3A | 17.73:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #240B3A | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #240B3A text on white | 17.73:1 | AAA | Lc 104.2 | Preferred for body text |
| #240B3A text on black | 1.18:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#CFB0F6
oklch(80.8% 0.102 304.5)
-
Step 400
400
#B883F2
oklch(70.7% 0.164 304.6)
-
Step 500
500
#A75EED
oklch(63.1% 0.21 304.6)
-
Step 600
600
#933EDB
oklch(55.6% 0.227 304.7)
-
Step 700
700
#7D2DBE
oklch(49% 0.212 304.6)
-
Step 800
800
#66289A
oklch(42.7% 0.176 304.7)
-
Step 900
900
#53277B
oklch(37.8% 0.138 304.7)
-
Step 950
950 (this color)
#240B3A
oklch(22% 0.087 304.5)
#240B3A 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) | #00183B | 0.067 |
| Deuteranopia (no green cones) | #001839 | 0.067 |
| Tritanopia (no blue cones) | #201621 | 0.063 |
| Achromatopsia (no color) | #181818 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240B3A
#240B3A
oklch(22% 0.087 304.5)
- #151F00
#151F00
oklch(22.1% 0.056 125)
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 #240B3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.024
- Very Dark Purple #2A0134 ΔE 0.028
- Dark Purple #35063E ΔE 0.041
- Deep Purple #36013F ΔE 0.045
- Eggplant #380835 ΔE 0.050
- Dark Indigo #1F0954 ΔE 0.052
- Aubergine #3D0734 ΔE 0.062
- Navy Blue #001146 ΔE 0.070
Use #240B3A 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.