#4B1011
Closest named color: Mahogany (#4A0100). oklch(27.8% 0.089 24.2), rgb(75, 16, 17).
Aa
White text reads best on this color (15.20:1).
About this color
#4B1011 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.089 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.027 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 | #4B1011 |
| RGB | rgb(75, 16, 17) |
| HSL | hsl(359, 65%, 18%) |
| OKLCH | oklch(27.8% 0.089 24.2) |
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 #4B1011 | 15.20:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #4B1011 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #4B1011 text on white | 15.20:1 | AAA | Lc 101.4 | Preferred for body text |
| #4B1011 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC6
oklch(88.5% 0.059 24.8)
-
Step 300
300
#FDA69F
oklch(80.9% 0.104 24.7)
-
Step 400
400
#F8706B
oklch(70.8% 0.168 24.4)
-
Step 500
500
#EF3D43
oklch(63% 0.214 24.3)
-
Step 600
600
#D80027
oklch(55.6% 0.225 24.2)
-
Step 700
700
#B7001F
oklch(49.1% 0.199 24.3)
-
Step 800
800
#970018
oklch(42.6% 0.173 24.2)
-
Step 900
900
#7B1018
oklch(37.7% 0.14 24.2)
-
Step 950
950 (this color)
#4B1011
oklch(27.8% 0.089 24.2)
#4B1011 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) | #211E10 | 0.096 |
| Deuteranopia (no green cones) | #302A0F | 0.087 |
| Tritanopia (no blue cones) | #530011 | 0.026 |
| Achromatopsia (no color) | #262626 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1011
#4B1011
oklch(27.8% 0.089 24.2)
- #002F33
#002F33
oklch(27.8% 0.047 203.8)
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 #4B1011, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.027
- Chocolate Brown #411900 ΔE 0.039
- Deep Brown #410200 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.053
- Burgundy #610023 ΔE 0.059
- Dark Brown #341C02 ΔE 0.064
- Claret #680018 ΔE 0.066
- Dark Plum #3F012C ΔE 0.073
Use #4B1011 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.