#240A17
Closest named color: Very Dark Brown (#1D0200). oklch(19.3% 0.048 351.3), rgb(36, 10, 23).
Aa
White text reads best on this color (18.57:1).
About this color
#240A17 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.048 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.057 away. White text reads best on it, at 18.57:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.13:1 |
| White text | 18.57:1 |
Values
| HEX | #240A17 |
| RGB | rgb(36, 10, 23) |
| HSL | hsl(330, 57%, 9%) |
| OKLCH | oklch(19.3% 0.048 351.3) |
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 #240A17 | 18.57:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #240A17 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #240A17 text on white | 18.57:1 | AAA | Lc 105.0 | Preferred for body text |
| #240A17 text on black | 1.13:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EB
oklch(93.7% 0.016 352)
-
Step 200
200
#EBD1DB
oklch(88.5% 0.032 352.5)
-
Step 300
300
#DFB2C5
oklch(80.9% 0.058 351.3)
-
Step 400
400
#CD89A7
oklch(70.7% 0.091 351.6)
-
Step 500
500
#BE6A92
oklch(63.1% 0.117 351)
-
Step 600
600
#A9507C
oklch(55.5% 0.127 351.1)
-
Step 700
700
#914168
oklch(49.2% 0.117 351.8)
-
Step 800
800
#763655
oklch(42.8% 0.097 351.7)
-
Step 900
900
#5F2F46
oklch(37.6% 0.076 351.3)
-
Step 950
950 (this color)
#240A17
oklch(19.3% 0.048 351.3)
#240A17 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) | #0D1017 | 0.053 |
| Deuteranopia (no green cones) | #141516 | 0.049 |
| Tritanopia (no blue cones) | #27090F | 0.017 |
| Achromatopsia (no color) | #131313 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240A17
#240A17
oklch(19.3% 0.048 351.3)
- #001A12
#001A12
oklch(19.4% 0.038 170.2)
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 #240A17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.069
- Almost Black #070D0D ΔE 0.070
- Midnight Purple #280137 ΔE 0.071
- Eggplant #380835 ΔE 0.075
- Rich Navy #001219 ΔE 0.076
Use #240A17 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.