#4A0F21
Closest named color: Mahogany (#4A0100). oklch(27.9% 0.089 6.9), rgb(74, 15, 33).
Aa
White text reads best on this color (15.20:1).
About this color
#4A0F21 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.089 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.046 away. White text reads best on it, at 15.20:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #4A0F21 |
| RGB | rgb(74, 15, 33) |
| HSL | hsl(342, 66%, 17%) |
| OKLCH | oklch(27.9% 0.089 6.9) |
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 #4A0F21 | 15.20:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #4A0F21 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #4A0F21 text on white | 15.20:1 | AAA | Lc 101.4 | Preferred for body text |
| #4A0F21 text on black | 1.38:1 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FDE2E6
oklch(93.6% 0.03 7.5)
-
Step 200
200
#FDCAD2
oklch(88.6% 0.059 7.8)
-
Step 300
300
#FBA4B5
oklch(80.9% 0.105 6.9)
-
Step 400
400
#F56D8F
oklch(70.8% 0.169 6.8)
-
Step 500
500
#EC3973
oklch(63.2% 0.216 7)
-
Step 600
600
#D3005D
oklch(55.6% 0.223 6.9)
-
Step 700
700
#B3004E
oklch(49.2% 0.197 6.8)
-
Step 800
800
#94003F
oklch(42.8% 0.171 6.9)
-
Step 900
900
#790D35
oklch(37.7% 0.141 6.7)
-
Step 950
950 (this color)
#4A0F21
oklch(27.9% 0.089 6.9)
#4A0F21 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) | #1D1E21 | 0.100 |
| Deuteranopia (no green cones) | #2D2A20 | 0.090 |
| Tritanopia (no blue cones) | #510416 | 0.023 |
| Achromatopsia (no color) | #262626 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A0F21
#4A0F21
oklch(27.9% 0.089 6.9)
- #00302C
#00302C
oklch(27.8% 0.049 186.1)
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 #4A0F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.046
- Dark Plum #3F012C ΔE 0.051
- Burgundy #610023 ΔE 0.052
- Deep Brown #410200 ΔE 0.055
- Aubergine #3D0734 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.061
- Eggplant #380835 ΔE 0.066
Use #4A0F21 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.