#4B090B
Closest named color: Mahogany (#4A0100). oklch(27% 0.096 25.3), rgb(75, 9, 11).
Aa
White text reads best on this color (15.63:1).
About this color
#4B090B is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.096 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.016 away. White text reads best on it, at 15.63:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.34:1 |
| White text | 15.63:1 |
Values
| HEX | #4B090B |
| RGB | rgb(75, 9, 11) |
| HSL | hsl(358, 79%, 16%) |
| OKLCH | oklch(27% 0.096 25.3) |
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 #4B090B | 15.63:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #4B090B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #4B090B text on white | 15.63:1 | AAA | Lc 101.7 | Preferred for body text |
| #4B090B text on black | 1.34:1 | 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
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCAC5
oklch(88.4% 0.061 24.6)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400
#FE6A63
oklch(70.7% 0.182 25.5)
-
Step 500
500
#F72D37
oklch(63.1% 0.233 25.2)
-
Step 600
600
#D80021
oklch(55.6% 0.225 25.4)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800
#970014
oklch(42.6% 0.173 25.3)
-
Step 900
900
#7F0110
oklch(37.6% 0.152 25.2)
-
Step 950
950 (this color)
#4B090B
oklch(27% 0.096 25.3)
#4B090B 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) | #1E1A0A | 0.104 |
| Deuteranopia (no green cones) | #2E2908 | 0.097 |
| Tritanopia (no blue cones) | #53000B | 0.020 |
| Achromatopsia (no color) | #232323 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B090B
#4B090B
oklch(27% 0.096 25.3)
- #002D31
#002D31
oklch(27.1% 0.046 204.1)
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 #4B090B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.016
- Deep Brown #410200 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.045
- Burgundy #610023 ΔE 0.062
- Dark Brown #341C02 ΔE 0.066
- Claret #680018 ΔE 0.069
- Dark Plum #3F012C ΔE 0.073
Use #4B090B 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.