#240D17
Closest named color: Very Dark Brown (#1D0200). oklch(19.9% 0.042 354.2), rgb(36, 13, 23).
Aa
White text reads best on this color (18.34:1).
About this color
#240D17 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.042 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.059 away. White text reads best on it, at 18.34:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.14:1 |
| White text | 18.34:1 |
Values
| HEX | #240D17 |
| RGB | rgb(36, 13, 23) |
| HSL | hsl(334, 47%, 10%) |
| OKLCH | oklch(19.9% 0.042 354.2) |
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 #240D17 | 18.34:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #240D17 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #240D17 text on white | 18.34:1 | AAA | Lc 104.8 | Preferred for body text |
| #240D17 text on black | 1.14:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2DA
oklch(88.5% 0.028 354.6)
-
Step 300
300
#DCB4C3
oklch(81% 0.05 353.8)
-
Step 400
400
#C88CA4
oklch(70.6% 0.079 353.6)
-
Step 500
500
#B96F8D
oklch(63.1% 0.101 354.5)
-
Step 600
600
#A45677
oklch(55.6% 0.109 354.5)
-
Step 700
700
#8C4664
oklch(49.1% 0.101 354.4)
-
Step 800
800
#723A52
oklch(42.7% 0.084 354.2)
-
Step 900
900
#5D3244
oklch(37.8% 0.067 354.2)
-
Step 950
950 (this color)
#240D17
oklch(19.9% 0.042 354.2)
#240D17 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) | #101217 | 0.046 |
| Deuteranopia (no green cones) | #161616 | 0.042 |
| Tritanopia (no blue cones) | #270C11 | 0.013 |
| Achromatopsia (no color) | #151515 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240D17
#240D17
oklch(19.9% 0.042 354.2)
- #001B14
#001B14
oklch(19.8% 0.038 173.3)
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 #240D17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.063
- Almost Black #070D0D ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.070
- Rich Navy #001219 ΔE 0.073
- Midnight Purple #280137 ΔE 0.075
- Eggplant #380835 ΔE 0.076
Use #240D17 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.