#4B0B03
Closest named color: Mahogany (#4A0100). oklch(27% 0.096 31.9), rgb(75, 11, 3).
Aa
White text reads best on this color (15.57:1).
About this color
#4B0B03 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.096 and its hue 32°. 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 15.57:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.34:1 |
| White text | 15.57:1 |
Values
| HEX | #4B0B03 |
| RGB | rgb(75, 11, 3) |
| HSL | hsl(7, 92%, 15%) |
| OKLCH | oklch(27% 0.096 31.9) |
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 #4B0B03 | 15.57:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #4B0B03 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #4B0B03 text on white | 15.57:1 | AAA | Lc 101.6 | Preferred for body text |
| #4B0B03 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA694
oklch(80.9% 0.109 32)
-
Step 400
400
#FD6D53
oklch(70.7% 0.181 32.2)
-
Step 500
500
#F63311
oklch(63.1% 0.232 31.8)
-
Step 600
600
#D32300
oklch(55.7% 0.212 31.9)
-
Step 700
700
#B21C00
oklch(49.1% 0.187 31.9)
-
Step 800
800
#931500
oklch(42.6% 0.162 31.8)
-
Step 900
900
#7C1000
oklch(37.7% 0.143 31.8)
-
Step 950
950 (this color)
#4B0B03
oklch(27% 0.096 31.9)
#4B0B03 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) | #1F1B02 | 0.103 |
| Deuteranopia (no green cones) | #2F2901 | 0.093 |
| Tritanopia (no blue cones) | #54000A | 0.026 |
| Achromatopsia (no color) | #242424 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B0B03
#4B0B03
oklch(27% 0.096 31.9)
- #002C34
#002C34
oklch(26.9% 0.047 213.2)
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 #4B0B03, 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 0.032
- Chocolate Brown #411900 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.049
- Dark Brown #341C02 ΔE 0.061
- Burgundy #610023 ΔE 0.068
- Claret #680018 ΔE 0.072
- Dark Plum #3F012C ΔE 0.083
Use #4B0B03 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.