#24101B
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.038 346.8), rgb(36, 16, 27).
Aa
White text reads best on this color (18.02:1).
About this color
#24101B is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.038 and its hue 347°. 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 18.02:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #24101B |
| RGB | rgb(36, 16, 27) |
| HSL | hsl(327, 38%, 10%) |
| OKLCH | oklch(20.7% 0.038 346.8) |
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 #24101B | 18.02:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #24101B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #24101B text on white | 18.02:1 | AAA | Lc 104.7 | Preferred for body text |
| #24101B 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
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E6D3DC
oklch(88.5% 0.024 347.2)
-
Step 300
300
#D7B5C6
oklch(80.8% 0.045 346.5)
-
Step 400
400
#C38FA9
oklch(70.8% 0.072 347.6)
-
Step 500
500
#B27294
oklch(63% 0.092 347)
-
Step 600
600
#9D5A7F
oklch(55.6% 0.1 346.6)
-
Step 700
700
#864A6B
oklch(49.1% 0.092 346.9)
-
Step 800
800
#6D3D57
oklch(42.7% 0.076 347.1)
-
Step 900
900
#593448
oklch(37.7% 0.061 346.8)
-
Step 950
950 (this color)
#24101B
oklch(20.7% 0.038 346.8)
#24101B 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) | #12141B | 0.040 |
| Deuteranopia (no green cones) | #17181A | 0.038 |
| Tritanopia (no blue cones) | #261014 | 0.015 |
| Achromatopsia (no color) | #161616 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24101B
#24101B
oklch(20.7% 0.038 346.8)
- #031D14
#031D14
oklch(20.7% 0.038 167.3)
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 #24101B, 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 0.065
- Very Dark Purple #2A0134 ΔE 0.068
- Jet #212529 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.069
- Dark #1B2431 ΔE 0.069
- Eggplant #380835 ΔE 0.071
- Midnight Purple #280137 ΔE 0.072
Use #24101B 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.