#4F0309
Closest named color: Mahogany (#4A0100). oklch(27.3% 0.106 24.5), rgb(79, 3, 9).
Aa
White text reads best on this color (15.56:1).
About this color
#4F0309 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.106 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.018 away. White text reads best on it, at 15.56:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.34:1 |
| White text | 15.56:1 |
Values
| HEX | #4F0309 |
| RGB | rgb(79, 3, 9) |
| HSL | hsl(355, 93%, 16%) |
| OKLCH | oklch(27.3% 0.106 24.5) |
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 #4F0309 | 15.56:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #4F0309 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #4F0309 text on white | 15.56:1 | AAA | Lc 101.2 | Preferred for body text |
| #4F0309 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
#FFA59E
oklch(80.9% 0.108 24.6)
-
Step 400
400
#FF6864
oklch(70.7% 0.185 24.5)
-
Step 500
500
#FF042F
oklch(63.1% 0.254 24.5)
-
Step 600
600
#D80026
oklch(55.6% 0.225 24.4)
-
Step 700
700
#B7001E
oklch(49.1% 0.199 24.5)
-
Step 800
800
#970017
oklch(42.6% 0.173 24.5)
-
Step 900
900
#800012
oklch(37.8% 0.153 24.4)
-
Step 950
950 (this color)
#4F0309
oklch(27.3% 0.106 24.5)
#4F0309 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) | #1D1908 | 0.117 |
| Deuteranopia (no green cones) | #2F2906 | 0.105 |
| Tritanopia (no blue cones) | #580006 | 0.021 |
| Achromatopsia (no color) | #242424 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F0309
#4F0309
oklch(27.3% 0.106 24.5)
- #002D32
#002D32
oklch(27.1% 0.046 206.3)
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 #4F0309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.018
- Deep Brown #410200 ΔE 0.038
- Dark Maroon #3C0008 ΔE 0.050
- Chocolate Brown #411900 ΔE 0.051
- Burgundy #610023 ΔE 0.056
- Claret #680018 ΔE 0.062
- Dark Brown #341C02 ΔE 0.076
- Dark Plum #3F012C ΔE 0.076
Use #4F0309 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.