#240318
Closest named color: Very Dark Purple (#2A0134). oklch(18% 0.066 345.2), rgb(36, 3, 24).
Aa
White text reads best on this color (19.06:1).
About this color
#240318 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.066 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.058 away. White text reads best on it, at 19.06:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.10:1 |
| White text | 19.06:1 |
Values
| HEX | #240318 |
| RGB | rgb(36, 3, 24) |
| HSL | hsl(322, 85%, 8%) |
| OKLCH | oklch(18% 0.066 345.2) |
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 #240318 | 19.06:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #240318 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #240318 text on white | 19.06:1 | AAA | Lc 105.1 | Preferred for body text |
| #240318 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#EFCEE0
oklch(88.4% 0.044 344)
-
Step 300
300
#E6ADCC
oklch(80.9% 0.077 345.2)
-
Step 400
400
#D780B2
oklch(70.8% 0.123 345.2)
-
Step 500
500
#CA5C9F
oklch(63.1% 0.159 345.1)
-
Step 600
600
#B53F8A
oklch(55.7% 0.172 345.1)
-
Step 700
700
#9B3075
oklch(49.1% 0.16 345)
-
Step 800
800
#7E295F
oklch(42.7% 0.132 345.1)
-
Step 900
900
#66274E
oklch(37.8% 0.103 345.1)
-
Step 950
950 (this color)
#240318
oklch(18% 0.066 345.2)
#240318 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) | #060C19 | 0.073 |
| Deuteranopia (no green cones) | #101217 | 0.064 |
| Tritanopia (no blue cones) | #27030B | 0.028 |
| Achromatopsia (no color) | #101010 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240318
#240318
oklch(18% 0.066 345.2)
- #00170D
#00170D
oklch(18.1% 0.039 163.7)
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 #240318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.058
- Very Dark Brown #1D0200 ΔE 0.059
- Midnight Purple #280137 ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.069
- Eggplant #380835 ΔE 0.075
- Dark Plum #3F012C ΔE 0.076
- Almost Black #070D0D ΔE 0.079
- Aubergine #3D0734 ΔE 0.082
Use #240318 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.