#24101A
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.037 349.5), rgb(36, 16, 26).
Aa
White text reads best on this color (18.04:1).
About this color
#24101A is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.037 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 18.04:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.04:1 |
Values
| HEX | #24101A |
| RGB | rgb(36, 16, 26) |
| HSL | hsl(330, 38%, 10%) |
| OKLCH | oklch(20.7% 0.037 349.5) |
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 #24101A | 18.04:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #24101A | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #24101A text on white | 18.04:1 | AAA | Lc 104.7 | Preferred for body text |
| #24101A text on black | 1.16:1 | 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
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E7D3DB
oklch(88.5% 0.025 351.4)
-
Step 300
300
#D8B6C5
oklch(81% 0.044 349.7)
-
Step 400
400
#C38FA7
oklch(70.7% 0.07 349.7)
-
Step 500
500
#B37392
oklch(63.2% 0.09 349.5)
-
Step 600
600
#9E5A7C
oklch(55.6% 0.099 349.5)
-
Step 700
700
#874A68
oklch(49.2% 0.091 350.1)
-
Step 800
800
#6D3D55
oklch(42.7% 0.075 349.4)
-
Step 900
900
#593446
oklch(37.7% 0.059 349.7)
-
Step 950
950 (this color)
#24101A
oklch(20.7% 0.037 349.5)
#24101A 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) | #12141A | 0.040 |
| Deuteranopia (no green cones) | #171819 | 0.038 |
| Tritanopia (no blue cones) | #270F14 | 0.013 |
| Achromatopsia (no color) | #161616 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24101A
#24101A
oklch(20.7% 0.037 349.5)
- #031D15
#031D15
oklch(20.7% 0.037 169.8)
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 #24101A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.067
- Jet #212529 ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.069
- Dark #1B2431 ΔE 0.070
- Almost Black #070D0D ΔE 0.071
- Rich Navy #001219 ΔE 0.072
Use #24101A 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.